Per Erik Vullum

Publikasjoner

2025

Foss, Carl Erik Lie; Talkhoncheh, Mahdi; Ulvestad, Asbjørn; Andersen, Hanne Flåten; Vullum, Per Erik; Wagner, Nils Peter. (2025) Revisiting Mechanism of Silicon Degradation in Li-Ion Batteries: Effect of Delithiation Examined by Microscopy Combined with ReaxFF. The Journal of Physical Chemistry Letters
Academic article

2024

Celotto, Ambra; Sandnes, Lise; Grong, Øystein; Sørhaug, Jørgen Andre; Stefani, Gaia; Wan, Di. (2024) Cold butt welding of dissimilar aluminum alloys: Characterization and interface bonding conditions. Materials Science & Engineering: A
Academic article
Asheim, Karina; Holsen, Ingrid Flatebø; Renman, Viktor; Blanco, Maria Valeria; Vullum, Per Erik; Wagner, Nils Peter. (2024) Enabling the use of lithium bis(trifluoromethanesulfonyl)imide as electrolyte salt for Li-ion batteries based on silicon anodes and Li(Ni0.4Co0.4Mn0.2)O2 cathodes by salt additives. Batteries & Supercaps
Academic article
Sørhaug, Jørgen Andre; Elkjær, Aksel Sean; Thronsen, Elisabeth; Bergh, Tina; Grong, Øystein; Vullum, Per Erik. (2024) Al-Cu intermetallic phase growth in hybrid metal extrusion & bonding welds exposed to isothermal annealing or direct current cycling. Materials & design
Academic article
Ali, Ayaz; Schrade, Matthias; Xing, Wen; Vullum, Per Erik; Koybasi, Ozhan; Taniguchi, Takashi. (2024) Two-Dimensional Heterostructure Complementary Logic Enabled by Optical Writing. Small Science
Academic article
Morzy, Jędrzej K.; Dose, Wesley M.; Vullum, Per Erik; Lai, May Ching; Mahadevegowda, Amoghavarsha; De Volder, Michael F. L.. (2024) Origins and Importance of Intragranular Cracking in Layered Lithium Transition Metal Oxide Cathodes. ACS Applied Energy Materials
Academic article
Hanser, C. S.; Vullum, Per Erik; Van Helvoort, Antonius; Schmitz, Fabian Dietmar; Häger, Tobias; Botcharnikov, R. (2024) Atomic resolution transmission electron microscopy visualisation of channel occupancy in beryl in different crystallographic directions . Physics and chemistry of minerals
Academic article

2023

Liu, Xuelian; Maffre, Marion; Tie, Da; Wagner, Nils Peter; Félix, Noelia Cortés; Azmi, Raheleh. (2023) Surface, Structural, and Electrochemical Analysis of High-Voltage Spinel Cathode LiNi<inf>0.5</inf>Mn<inf>1.5</inf>O<inf>4</inf> Evolution Upon Ambient Storage Conditions. Journal of the Electrochemical Society
Academic article
Sørhaug, Jørgen Andre; Vullum, Per Erik; Holmestad, Randi. (2023) Observation Of Al-Cu Interface Instability During Room Temperature Storage. Microscopy and Microanalysis
Academic article
Bergh, Tina; Fyhn, Hursanay; Sandnes, Lise; Blindheim, Jørgen; Grong, Øystein; Holmestad, Randi. (2023) Multi-material Joining of an Aluminum Alloy to Copper, Steel, and Titanium by Hybrid Metal Extrusion & Bonding. Metallurgical and Materials Transactions A
Academic article
Bergh, Tina; Ånes, Håkon Wiik; Aune, Ragnhild; Wenner, Sigurd; Holmestad, Randi; Ren, Xiaobo. (2023) Intermetallic Phase Layers in Cold Metal Transfer Aluminium-Steel Welds with an Al–Si–Mn Filler Alloy. Materials transactions
Academic article
Zanni, Mattia; Berto, Filippo; Vullum, Per Erik; Tonelli, Lavinia; Morri, Alessandro; Ceschini, Lorella. (2023) Effect of heat treatment and defects on the tensile behavior of a hot work tool steel manufactured by laser powder bed fusion. Fatigue & Fracture of Engineering Materials & Structures (FFEMS)
Academic article
Hårberg, Sofie Brandtzæg; Hvidsten, Sverre; Lesaint, Cedric Michel; Vullum, Per Erik; Nylund, Inger-Emma; Einarsrud, Mari-Ann. (2023) Tracking down the cause of water tree issues in wet design high voltage subsea cables. #SINTEFblog
Popular scientific article
Gopakumar, Jithin; Huus, Sunniva Vold; Enger, Bjørn Christian; Waller, David; Vullum, Per Erik; Rønning, Magnus. (2023) Catalytic oxidation of NO to NO2 for industrial nitric acid production using Ag-promoted MnO2/ZrO2 catalysts. Catalysis Science & Technology
Academic article
Mukherjee, Anjan; Ren, Dingding; Mosberg, Aleksander Buseth; Vullum, Per Erik; Van Helvoort, Antonius; Fimland, Bjørn Ove Myking. (2023) Origin of Leakage Currents and Nanowire-to-Nanowire Inhomogeneity in Radial p-i-n Junction GaAs Nanowire Array Solar Cells on Si. ACS Applied Nano Materials
Academic article
Hårberg, Sofie Brandtzæg; Nylund, Inger-Emma; Einarsrud, Mari-Ann; Vullum, Per Erik; Lesaint, Cedric Michel; Hvidsten, Sverre. (2023) STEM-EDS of Inception Sites of Vented Trees in a HV XLPE Subsea Cable.
Academic chapter/article/Conference paper
Augustin, Matthias; Vullum, Per Erik; Vullum-Bruer, Fride; Svensson, Ann Mari. (2023) The effect of addition of the redox mediator dimethylphenazine on the oxygen reaction in porous carbon electrodes for Li/O2 batteries. Journal of Power Sources Advances
Academic article
Tolchard, Julian R; Vullum, Per Erik; Arstad, Bjørnar; Wagner, Nils Peter. (2023) New insights into orthophosphoric acid assisted rapid aqueous processing of NMC622 cathodes. RSC Sustainability
Academic article
Fagerli, Frode Håskjold; Vullum, Per Erik; Grande, Tor; Wang, Zhaohui; Selbach, Sverre Magnus; Wiik, Kjell. (2023) Bulk substitution of F-terminations from Ti3C2Tx MXene by cation pillaring and gas hydrolysation. FlatChem - Chemistry of Flat Materials
Academic article

2022

Nylund, Inger-Emma; Zeiger, Caren Regine; Peng, Ding; Vullum, Per Erik; Walker, Julian; Einarsrud, Mari-Ann. (2022) Centrosymmetric Tetragonal Tungsten Bronzes A4Bi2Nb10O30 (A = 2 Na, K, Rb) with a Bi 6s Lone Pair. Chemistry of Materials
Academic article
Pacáková, Barbara; Vullum, Per Erik; Kirch, Alexsandro; Breu, Josef; Miranda, Caetano Rodrigues; Fossum, Jon Otto. (2022) Large bandgap insulating superior clay nanosheets. MRS bulletin
Academic article
Sarasini, Fabrizio; Tirillò, Jacopo; Lilli, Matteo; Bracciale, Maria Paola; Vullum, Per Erik; Berto, Filippo. (2022) Highly aligned growth of carbon nanotube forests with in-situ catalyst generation: A route to multifunctional basalt fibres. Composites Part B: Engineering
Academic article
Dull, Samuel M.; Vinogradova, Olga; Xu, Shicheng; Koshy, David M.; Vullum, Per Erik; Torgersen, Jan. (2022) Alloyed Pt-Zn Oxygen Reduction Catalysts for Proton Exchange Membrane Fuel Cells. ACS Applied Energy Materials
Academic article
Dehghan-Niri, Roya; Tsakoumis, Nikolaos; Voronov, Alexey; Holmen, Anders; Holmestad, Randi; Vullum, Per Erik. (2022) NanostructuralAnalysisof Co-Re/γ-Al2O3 Fischer-Tropsch Catalyst by TEM and XRD. ChemCatChem
Academic article
Bisht, Prashant; Kumar, Arvind; Ghosh, Abhishek; Vullum, Per Erik; Sunding, Martin Fleissner; Belle, Branson. (2022) Tailoring the Vertical and Planar Growth of 2D WS<inf>2</inf>Thin Films Using Pulsed Laser Deposition for Enhanced Gas Sensing Properties. ACS Applied Materials & Interfaces
Academic article
Nylund, Inger-Emma; Grande, Tor; Vullum, Per Erik; Einarsrud, Mari-Ann. (2022) Transmission electron microscopy of ferroic materials. NTNU
Doctoral dissertation
Knies, Jochen Manfred; Schönenberger, Jasmin; Zwingmann, Horst; van der Lelij, Roelant; Smelror, Morten; Vullum, Per Erik. (2022) Continental weathering and recovery from ocean nutrient stress during the Early Triassic Biotic Crisis. Communications Earth & Environment
Academic article
Nylund, Inger-Emma; Løndal, Nora Statle; Walker, Julian; Vullum, Per Erik; Einarsrud, Mari-Ann; Grande, Tor. (2022) Cation Disorder in Ferroelectric Ba4M2Nb10O30 (M = Na, K, and Rb)Tetragonal Tungsten Bronzes. Inorganic Chemistry
Academic article
Hunnestad, Kasper Aas; Hatzoglou, Constantinos; Khalid, Muhammad Zeeshan; Vullum, Per Erik; Yan, Zewu; Bourret, Edith. (2022) Atomic-scale 3D imaging of individual dopant atoms in an oxide semiconductor. Nature Communications
Academic article
Bergh, Tina; Arbo, Siri Marthe; Hagen, Anette Brocks; Blindheim, Jørgen; Friis, Jesper; Khalid, Muhammad Zeeshan. (2022) On intermetallic phases formed during interdiffusion between aluminium alloys and stainless steel. Intermetallics (Barking)
Academic article
Mazumder, Julaiba Tahsina; Lenka, T.R.; Tripathy, S.K.; Vullum, Per Erik; Menon, P.S.; Lin, F.. (2022) Investigation of structural, morphological, and optoelectronic properties of Ga-doped TiO2 nanoparticles for electron transport layer in solar cell applications: An experimental and theoretical study. Journal of Physics and Chemistry of Solids
Academic article
Solem, Cathrine Kyung Won; Vullum, Per Erik; Tranell, Gabriella; Aune, Ragnhild Elizabeth. (2022) Heat Treatment of Mg-Containing Aluminum Alloys 5182 and 6016 in an Oxidizing Atmosphere with 4% CO2. The Minerals, Metals & Materials Series
Academic article
Asheim, Karina; Vullum, Per Erik; Wagner, Nils Peter; Andersen, Hanne Flåten; Mæhlen, Jan Petter; Svensson, Ann Mari. (2022) Improved electrochemical performance and solid electrolyte interphase properties of electrolytes based on lithium bis(fluorosulfonyl)imide for high content silicon anodes. RSC Advances
Academic article
Solem, Cathrine Kyung Won; Vullum, Per Erik; Ebadi, Mahsa; Tranell, Gabriella; Aune, Ragnhild Elizabeth. (2022) The Role of CO2 in the Oxidation-Protection of Mg-Containing Aluminum Alloys. Metallurgical and Materials Transactions B
Short communication

2021

Behera, Aroop; Harris, Charles; Pete, Douglas; Delker, Collin; Vullum, Per Erik; Benthem, Marta. (2021) High-Performance and Ultralow-Noise Two-Dimensional Heterostructure Field-Effect Transistors with One-Dimensional Electrical Contacts. ACS Applied Electronic Materials
Academic article
Celotto, Ambra; Grong, Øystein; Holmestad, Randi; Sørhaug, Jørgen A; Torgersen, Jan; Vullum, Per Erik. (2021) Preliminary in-situ study of FIB-assisted method for aluminium solid-state welding at the microscale. Procedia Structural Integrity
Academic article
Evans, Donald M.; Holstad, Theodor Secanell; Mosberg, Aleksander B.; Småbråten, Didrik R.; Vullum, Per Erik; Dadlani, Anup. (2021) Publisher Correction: Conductivity control via minimally invasive anti-Frenkel defects in a functional oxide (Nature Materials, (2020), 19, 11, (1195-1200), 10.1038/s41563-020-0765-x). Nature Materials
Errata
Nylund, Inger-Emma; Ræder, Trygve Magnus; Vullum, Per Erik; Grande, Tor. (2021) Epitaxial (100), (110), and (111) BaTiO3 films on SrTiO3 substrates — A transmission electron microscopy study. Journal of Applied Physics
Academic article
Tsoutsouva, Maria; Regula, G.; Ryningen, B.; Vullum, Per Erik; Mangelinck-Noël, N.; Stokkan, Gaute. (2021) Dynamic observation of dislocation evolution and interaction with twin boundaries in silicon crystal growth using in – situ synchrotron X-ray diffraction imaging. Acta Materialia
Academic article
Bjørkedal, Ole Håvik; Regli, Samuel K.; Nuguid, Rob Jeremiah G.; Vullum, Per Erik; Kröcher, Oliver; Ferri, Davide. (2021) One-pot synthesis of highly dispersed mesoporous Cu/ZrO2 catalysts for NH3-SCR. Catalysis Today
Academic article
Polfus, Jonathan M.; Benthem, Marta; Ali, Ayaz; Barragan-Yani, Daniel; Vullum, Per Erik; Sunding, Martin Fleissner. (2021) Temperature-Dependent Adhesion in van der Waals Heterostructures. Advanced Materials Interfaces
Academic article
Guo, Xiaoyang; Vullum, Per Erik; Venvik, Hilde Johnsen. (2021) Inhibition of metal dusting corrosion on Fe-based alloy by combined near surface severe plastic deformation (NS-SPD) and thermochemical treatment. Corrosion Science
Academic article
Dull, Sam; Xu, Shicheng; Goh, Timothy; Lee, Dong Un; Higgins, Drew; Orazov, Marat. (2021) Bottom-Up Fabrication of Oxygen Reduction Electrodes with Atomic Layer Deposition for High-Power-Density PEMFCs. Cell Reports Physical Science
Academic article
Xu, Shicheng; Wang, Zhaoxuan; Dull, Sam; Liu, Yunzhi; Lee, Dong Un; Pacheco, Lezama. (2021) Direct Integration of Strained-Pt Catalysts into Proton-Exchange-Membrane Fuel Cells with Atomic Layer Deposition. Advanced Materials
Academic article
Liudi Mulyo, Andreas; Mukherjee, Anjan; Høiaas, Ida Marie; Ahtapodov, Lyubomir; Nilsen, Tron Arne; Toftevaag, Håvard Hem. (2021) Graphene-Based Transparent Conducting Substrates for GaN/AlGaN Nanocolumn Flip-Chip Ultraviolet Light-Emitting Diodes. ACS Applied Nano Materials
Academic article
Mukherjee, Anjan; Ren, Dingding; Vullum, Per Erik; Huh, Junghwan; Fimland, Bjørn-Ove; Weman, Helge. (2021) GaAs/AlGaAs Nanowire Array Solar Cell Grown on Si with Ultrahigh Power-per-Weight Ratio. ACS Photonics
Academic article
Evans, Donald; Småbråten, Didrik Rene; Holstad, Theodor Secanell; Vullum, Per Erik; Mosberg, Aleksander Buseth; Yan, Zewu. (2021) Observation of Electric-Field-Induced Structural Dislocations in a Ferroelectric Oxide. Nano Letters
Academic article
Vatanparast, Maryam; Shao, Yu-Tsun; Rajpalke, Mohana; Fimland, Bjørn-Ove; Reenaas, Turid Dory; Holmestad, Randi. (2021) Detecting minute amounts of nitrogen in GaNAs thin films using STEM and CBED. Ultramicroscopy
Academic article
Jensen, Ingvild Julie Thue; Ali, Ayaz; Zeller, Patrick; Amati, Matteo; Schrade, Matthias; Vullum, Per Erik. (2021) Direct Observation of Charge Transfer between NOx and Monolayer MoS2 by Operando Scanning Photoelectron Microscopy. ACS Applied Nano Materials
Academic article
Sandnes, Lise; Bergh, Tina; Grong, Øystein; Holmestad, Randi; Vullum, Per Erik; Berto, Filippo. (2021) Interface Microstructure and Tensile Properties of a Third Generation Aluminium-Steel Butt Weld Produced Using the Hybrid Metal Extrusion & Bonding (HYB) Process. Materials Science & Engineering: A
Academic article

2020

Evans, Donald M.; Holstad, Theodor Secanell; Mosberg, Aleksander B.; Småbråten, Didrik Rene; Vullum, Per Erik; Dadlani, Anup L.. (2020) Publisher Correction: Conductivity control via minimally invasive anti-Frenkel defects in a functional oxide (Nature Materials, (2020), 19, 11, (1195-1200), 10.1038/s41563-020-0765-x). Nature Materials
Errata
Jayakumari, Sethulakshmy; Vullum, Per Erik; Van Helvoort, Antonius; Tangstad, Merete. (2020) SiC crystalline micro bullets on bio-carbon based charcoal substrate. Journal of Crystal Growth
Academic article
Bergh, Tina; Sandnes, Lise; Johnstone, Duncan Neil; Grong, Øystein; Berto, Filippo; Holmestad, Randi. (2020) Microstructural and mechanical characterisation of a second generation hybrid metal extrusion & bonding aluminium-steel butt joint. Materials Characterization
Academic article
Liudi Mulyo, Andreas; Rajpalke, Mohana; Vullum, Per Erik; Weman, Helge; Kishino, Katsumi; Fimland, Bjørn-Ove. (2020) The influence of AlN buffer layer on the growth of self-assembled GaN nanocolumns on graphene. Scientific Reports
Academic article
Arbo, Siri Marthe; Westermann, Ida; Holmedal, Bjørn; Vullum, Per Erik. (2020) Cold Welding of steel and aluminum alloys. Joining process, intermetallic phases and bond strength. Doktoravhandlinger ved NTNU (16)
Doctoral dissertation
Wagner, Nils Peter; Tolchard, Julian R; Tron, Artur; Pollen, Harald Norrud; Gaertner, Heiko; Vullum, Per Erik. (2020) Improved cyclability of Nickel-rich layered oxides. MRS Advances
Academic article
Sørgård, Trygve; Song, Seunghan; Vullum, Per Erik; Kores, Cristine; Mølster, Kjell Martin; Laurell, Fredrik. (2020) Broadband infrared and THz transmitting silicon core optical fiber. Optical Materials Express
Academic article
Evans, Donald; Holstad, Theodor Secanell; Mosberg, Aleksander Buseth; Småbråten, Didrik Rene; Vullum, Per Erik; Dadlani, Anup. (2020) Conductivity control via minimally invasive anti-Frenkel defects in a functional oxide. Nature Materials
Academic article
Tsoutsouva, Maria; Vullum, Per Erik; Adamczyk, Krzysztof Jan; Di Sabatino Lundberg, Marisa; Stokkan, Gaute. (2020) Interfacial atomic structure and electrical activity of nano-facetted CSL grain boundaries in high-performance multi-crystalline silicon. Journal of Applied Physics
Academic article
Guo, Xiaoyang; Vanhaecke, Estelle Marie M.; Vullum, Per Erik; Ma, Jianyu; Panditha Vidana, Daham Sanjaya Gunawardana; Walmsley, John. (2020) Effects of metal dusting relevant exposures of alloy 601 surfaces on carbon formation and oxide development. Catalysis Today
Academic article

2019

Augustin, Matthias; Vullum, Per Erik; Vullum-Bruer, Fride; Svensson, Ann Mari. (2019) Inside the electrode: Looking at cycling products in Li/O2 batteries . Journal of Power Sources
Academic article
Grong, Øystein; Sandnes, Lise; Bergh, Tina; Vullum, Per Erik; Holmestad, Randi; Berto, Filippo. (2019) An analytical framework for modelling intermetallic compound (IMC) formation and optimising bond strength in aluminium‐steel welds. Material Design & Processing Communications (MDPC)
Academic article
Johannessen, Karen Cecilie; McLoughlin, Nicola; Vullum, Per Erik; Thorseth, Ingunn Hindenes. (2019) On the biogenicity of Fe-oxyhydroxide filaments in silicified low-temperature hydrothermal deposits: Implications for the identification of Fe-oxidizing bacteria in the rock record. Geobiology
Academic article
Høiaas, Ida Marie; Liudi Mulyo, Andreas; Vullum, Per Erik; Kim, Dong Chul; Ahtapodov, Lyubomir; Fimland, Bjørn-Ove. (2019) GaN/AlGaN nanocolumn ultraviolet light-emitting diode using double-Layer graphene as substrate and transparent electrode. Nano Letters
Academic article
Becker, Hanka; Bergh, Tina; Vullum, Per Erik; Leineweber, Andreas; Li, Yanjun. (2019) Effect of Mn and cooling rates on α-, β- and δ-Al–Fe–Si intermetallic phase formation in a secondary Al–Si alloy. Materialia
Academic article
Becker, Hanka; Bergh, Tina; Vullum, Per Erik; Leineweber, Andreas; Li, Yanjun. (2019) β- and δ-Al-Fe-Si intermetallic phase, their intergrowth and polytype formation. Journal of Alloys and Compounds
Academic article
Pham, Ky Nam; Gaukås, Nikolai Helth; Morozov, Maxim; Tybell, Per Thomas Martin; Vullum, Per Erik; Grande, Tor. (2019) Epitaxial K0.5Na0.5NbO3 thin films by aqueous chemical solution deposition. Royal Society Open Science
Academic article
Liudi Mulyo, Andreas; Rajpalke, Mohana; Kuroe, Haruhiko; Vullum, Per Erik; Weman, Helge; Fimland, Bjørn-Ove. (2019) Erratum: Vertical GaN nanocolumns grown on graphene intermediated with a thin AlN buffer layer (Nanotechnology 30 015604). Nanotechnology
Errata
Haugland, Ingrid Bokn; Kjos, Ole Sigmund; Røyset, Arne Karstein; Vullum, Per Erik; Aarhaug, Thor Anders; Halstensen, Maths. (2019) Alumina scale composition and growth rate in distribution pipes. The Minerals, Metals & Materials Series
Academic article
Arbo, Siri Marthe; Bergh, Tina; Holmedal, Bjørn; Vullum, Per Erik; Westermann, Ida. (2019) Relationship between Al-Ni intermetallic Phases and Bond Strength in Roll Bonded Steel-Aluminum Composites with Nickel Interlayers. Metals
Academic article
Bergh, Tina; Johnstone, Duncan N.; Crout, Phillip; Høgås, Simon; Midgley, Paul Anthony; Holmestad, Randi. (2019) Nanocrystal segmentation in scanning precession electron diffraction data. Journal of Microscopy
Academic article
Andersen, Hanne Flåten; Foss, Carl Erik Lie; Voje, Jorunn; Tronstad, Ragnar; Mokkelbost, Tommy; Vullum, Per Erik. (2019) Silicon-carbon composite anodes from industrial battery grade silicon. Scientific Reports
Academic article
McLoughlin, Nicola; Grosch, Eugene Gerald; Vullum, Per Erik; Guagliardo, Paul; Saunders, Martin; Wacey, David. (2019) Critically testing olivine-hosted putative martian biosignatures in the Yamato 000593 meteorite - Geobiological implications. Geobiology
Academic article

2018

Saai, Afaf; Wang, Zhaohui; Pezzotta, Micol; Friis, Jesper; Ratvik, Arne Petter; Vullum, Per Erik. (2018) Multi-scale modelling of titanium diboride degradation using crystal elasticity model and density functional theory. The Minerals, Metals & Materials Series
Academic article
Liudi Mulyo, Andreas; Rajpalke, Mohana; Kuroe, Haruhiko; Vullum, Per Erik; Weman, Helge; Fimland, Bjørn-Ove. (2018) Vertical GaN nanocolumns grown on graphene intermediated with a thin AlN buffer layer. Nanotechnology
Academic article
Wang, Lu; Vullum, Per Erik; Asheim, Karina; Wang, Xuehang; Svensson, Ann Mari; Vullum-Bruer, Fride. (2018) High capacity Mg batteries based on surface-controlled electrochemical reactions. Nano Energy
Academic article
Wang, Lu; Jiang, Bo; Vullum, Per Erik; Svensson, Ann Mari; Erbe, Andreas; Selbach, Sverre Magnus. (2018) High interfacial charge storage capability of carbonaceous cathodes for Mg batteries. ACS Nano
Academic article
Undheim, Espen; Vullum, Per Erik; Holmestad, Randi; Arnberg, Lars; Di Sabatino Lundberg, Marisa. (2018) Orientation relationship between b-Si3N4 and Si in multicrystalline silicon ingots for PV applications. Journal of Crystal Growth
Academic article
El-Kharbachi, Abdelouahab; Hu, Yang; Sørby, Magnus Helgerud; Mæhlen, Jan Petter; Vullum, Per Erik; Fjellvåg, Helmer. (2018) Reversibility of metal-hydride anodes in all-solid-state lithium secondary battery operating at room temperature. Solid State Ionics
Academic article
Polyakov, Stanislav; Karhu, Eric Andrew; Zamiri, Reza; Moisset, Charles; Iliopoulos, Konstantinos; Vullum, Per Erik. (2018) Nonlinear optical response and structural properties of MBE-grown Fe:ZnS films. Optical Materials Express
Academic article
Munshi, A Mazid; Kim, Dong-Chul; Heimdal, Carl Philip J; Heilmann, Martin; Christiansen, Silke; Vullum, Per Erik. (2018) Selective area growth of AlGaN nanopyramid arrays on graphene by metal-organic vapor phase epitaxy. Applied Physics Letters
Academic article
El-Kharbachi, Abdelouahab; Hu, Yang; Sørby, Magnus Helgerud; Vullum, Per Erik; Mæhlen, Jan Petter; Fjellvåg, Helmer. (2018) Understanding Capacity Fading of MgH2 Conversion-Type Anodes via Structural Morphology Changes and Electrochemical Impedance. Journal of Physical Chemistry C
Academic article

2017

Wang, Lu; Wang, Zhaohui; Vullum, Per Erik; Selbach, Sverre Magnus; Svensson, Ann Mari; Vullum-Bruer, Fride. (2017) Solvent-Controlled Charge Storage Mechanisms of Spinel Oxide Electrodes in Mg Organohaloaluminate Electrolytes. Nano Letters
Academic article
Vatanparast, Maryam; Vullum, Per Erik; Nord, Magnus Kristofer; Zuo, Jian Min; Reenaas, Turid Worren; Holmestad, Randi. (2017) Strategy for reliable strain measurement in InAs/GaAs materials from high-resolution Z-contrast STEM images. Journal of Physics: Conference Series (JPCS)
Academic article
Vatanparast, Maryam; Vullum, Per Erik; Reenaas, Turid Worren; Holmestad, Randi; Nord, Magnus Kristofer. (2017) Methodology to Improve Strain Measurement in III–V Semiconductors Materials. Microscopy and Microanalysis
Academic article
El-Kharbachi, Abdelouahab; Andersen, Hanne Flåten; Sørby, Magnus Helgerud; Vullum, Per Erik; Mæhlen, Jan Petter; Hauback, Bjørn. (2017) Morphology effects in MgH2 anode for lithium ion batteries. International Journal of Hydrogen Energy
Academic article
Nord, Magnus Kristofer; Vullum, Per Erik; MacLaren, I; Tybell, Per Thomas Martin; Holmestad, Randi. (2017) Atomap - Automated Analysis of Atomic Resolution STEM Images. Microscopy and Microanalysis
Academic article
Vullum, Per Erik; Nord, Magnus Kristofer; Vatanparast, Maryam; Thomassen, Sedsel Fretheim; Boothroyd, Chris; Holmestad, Randi. (2017) Quantitative strain analysis of InAs/GaAs quantum dot materials. Scientific Reports
Academic article
Vatanparast, Maryam; Egoavil, Ricardo; Reenaas, Turid Worren; Verbeeck, Johan; Holmestad, Randi; Vullum, Per Erik. (2017) Bandgap measurement of high refractive index materials by off-axis EELS. Ultramicroscopy
Academic article
Hallsteinsen, Ingrid; Moreau, Magnus; Chopdekar, R.V.; Christiansen, Emil; Nord, Magnus Kristofer; Vullum, Per Erik. (2017) Magnetic domain configuration of (111)-oriented LaFeO3 epitaxial thin films. APL Materials
Academic article
Dahl, Paul Inge; Rausseo, Luis César Colmenares; Barnett, Alejandro; Lomas, Scott; Vullum, Per Erik; Kvello, Jannicke Hatlø. (2017) Flame spray pyrolysis of tin oxide-based Pt catalysts for PEM fuel cell applications. MRS Advances
Academic article
Nord, Magnus Kristofer; Vullum, Per Erik; MacLaren, Ian; Tybell, Per Thomas Martin; Holmestad, Randi. (2017) Atomap: a new software tool for the automated analysis of atomic resolution images using two-dimensional Gaussian fitting. Advanced Structural and Chemical Imaging
Academic article
Vullum-Bruer, Fride; Vullum, Per Erik; Feilberg, Pernille. (2017) Supermikroskoper bidrar til grønt batteriskifte. Gemini
Popular scientific article

2016

Hallsteinsen, Ingrid; Moreau, Magnus; Grutter, A; Nord, Martin; Vullum, Per Erik; Gilbert, DA. (2016) Concurrent magnetic and structural reconstructions at the interface of (111)-oriented L a0.7 S r0.3Mn O3/LaFe O3. Physical Review B. Condensed Matter and Materials Physics
Academic article
Wang, Lu; Asheim, Karina; Vullum, Per Erik; Svensson, Ann Mari; Vullum-Bruer, Fride. (2016) Sponge-like porous manganese(II,III) oxide as a highly efficient cathode material for rechargeable magnesium ion batteries. Chemistry of Materials
Academic article
Valluvar Oli, Arivazhagan; Schmitz, F.D.; Vullum, Per Erik; Van Helvoort, Antonius; Holst, Bodil. (2016) Atomic resolution imaging of beryl: an investigation of the nano-channel occupation. Journal of Microscopy
Academic article
Nematollahi, Mohammadreza; Yang, Xiaodong; Seim, Eivind; Vullum, Per Erik; Holmestad, Randi; Gibson, Ursula. (2016) Compositional and structural properties of pulsed laser-deposited ZnS:Cr films. Applied Physics A: Materials Science & Processing
Academic article
Nord, Magnus Kristofer; Vullum, Per Erik; Hallsteinsen, Ingrid; Tybell, Per Thomas Martin; Holmestad, Randi. (2016) Assessing electron beam sensitivity for SrTiO3 and La0.7Sr0.3MnO3 using electron energy loss spectroscopy. Ultramicroscopy
Academic article
Wagner, Nils Peter; Vullum, Per Erik; Nord, Magnus Kristofer; Svensson, Ann Mari; Vullum-Bruer, Fride. (2016) On Vanadium Substitution in Li2MnSiO4/C as Positive Electrode for Li-ion Batteries. Journal of Physical Chemistry C
Academic article
Hallsteinsen, Ingrid; Nord, Magnus Kristofer; Bolstad, Torstein; Vullum, Per Erik; Boschker, Jos Emiel; Longo, Paulo. (2016) Effect of polar (111)-oriented SrTiO3 on initial perovskite growth. Crystal Growth & Design
Academic article

2015

Pedersen, Leif-Erik Rydland; McLoughlin, Nicola; Vullum, Per Erik; Thorseth, Ingunn Hindenes. (2015) Abiotic and candidate biotic micro-alteration textures in subseafloor basaltic glass: A high-resolution in-situ textural and geochemical investigation. Chemical Geology
Academic article
Christiansen, Emil; Nord, Magnus Kristofer; Hallsteinsen, Ingrid; Vullum, Per Erik; Tybell, Per Thomas Martin; Holmestad, Randi. (2015) Structural investigation of epitaxial LaFeO_3 thin films on (111) oriented SrTiO_3 by transmission electron microscopy. Journal of Physics: Conference Series (JPCS)
Academic article
Chauton, Matilde Skogen; Skolem, Lotte Maria Beate; Olsen, Lasse Mork; Vullum, Per Erik; Walmsley, John; Vadstein, Olav. (2015) Titanium uptake and incorporation into silica nanostructures by the diatom Pinnularia sp. (Bacillariophyceae). Journal of Applied Phycology
Academic article
Nord, Magnus Kristofer; Vullum, Per Erik; Moreau, Magnus; Boschker, Jos Emiel; Selbach, Sverre Magnus; Holmestad, Randi. (2015) Structural phases driven by oxygen vacancies at the La0.7Sr0.3MnO3/SrTiO3 hetero-interface. Applied Physics Letters
Academic article
Fu, Qiang; Rausseo, Luis César Colmenares; Martinez, Umberto; Dahl, Paul Inge; Lastra, Juan Maria García; Vullum, Per Erik. (2015) Effect of Sb Segregation on Conductance and Catalytic Activity at Pt/Sb-Doped SnO2 Interface: A Synergetic Computational and Experimental Study. ACS Applied Materials & Interfaces
Academic article
Loland, Thomas Emdal; Sele, Jaran; Einarsrud, Mari-Ann; Vullum, Per Erik; Johnsson, Mats; Wiik, Kjell. (2015) Thermal Conductivity of A-site Cation-Deficient La-Substituted SrTiO3 Produced by Spark Plasma Sintering. Energy Harvesting and Systems
Academic article
Dahl, Paul Inge; Thomassen, Magnus Skinlo; Rausseo, Luis César Colmenares; Barnet, Alejandro; Lomas, Scott; Vullum, Per Erik. (2015) Flame spray pyrolysis of electrode materials for energy applications. Materials Research Society Symposium Proceedings
Academic article
Cabrera, Enrique; Olibet, Sara; Rudolph, Dominik; Vullum, Per Erik; Kopecek, Radovan; Reinke, Daniel. (2015) Impact of excess phosphorus doping and Si crystalline defects on Ag crystallite nucleation and growth in silver screen-printed Si solar cells. Progress in Photovoltaics
Academic article

2014

Lamers, Machteld; Hintzsche, Leif E.; Butler, Keith T.; Vullum, Per Erik; Fang, Chang-Ming; Marsman, Martijn. (2014) The interface of a-SiNx:H and Si: Linking the nano-scale structure to passivation quality. Solar Energy Materials and Solar Cells
Academic article

2013

Zhou, Haitao; Lou, Fengliu; Vullum, Per Erik; Einarsrud, Mari-Ann; Chen, De; Vullum-Bruer, Fride. (2013) 3D aligned-carbon-nanotubes@Li2FeSiO4 arrays as high rate capability cathodes for Li-ion batteries. Nanotechnology
Academic article
Torsæter, Malin; Opedal, Nils van der Tuuk; Vrålstad, Torbjørn; Vullum, Per Erik. (2013) A Visual Journey into the 3D Chemical Nanostructure of Oilwell Cement. Society of Petroleum Engineers
Academic chapter/article/Conference paper
Granlund, Håvard; Fløystad, Jostein Bø; Esmaeili, Morteza; Bakken, Eirik Torbjørn; Bech, Martin; Vullum, Per Erik. (2013) Mapping structural gradients in isotactic polypropylene using scanning wide-angle X-ray scattering. Polymer
Academic article
Hallsteinsen, Ingrid; Boschker, Jos Emiel; Nord, Magnus Kristofer; Lee, S; Rzchowski, M; Vullum, Per Erik. (2013) Surface stability of epitaxial La0.7Sr0.3MnO3 thin films on (111)-oriented SrTiO3. Journal of Applied Physics
Academic article
Lamers, Machteld; Butler, Keith T; Vullum, Per Erik; Harding, John; Weeber, Arthur. (2013) Characterization of a-SiNx:H layer: Bulk properties, interface with Si and solar cell efficiency. Physica status solidi. A, Applied research
Academic article
Josefsson, Gabriella; Tanem, Bjørn Steinar; Li, Yanjun; Vullum, Per Erik; Gamstedt, E. Kristofer. (2013) Prediction of elastic properties of nanofibrillated cellulose from micromechanical modeling and nano-structure characterization by transmission electron microscopy. Cellulose
Academic article
Pitt, Mark; Vullum, Per Erik; Sørby, Magnus Helgerud; Emerich, H.; Paskevicius, M.; Buckley, C. E.. (2013) Crystalline Al1-xTix phases in the hydrogen cycled NaAlH4+0.02TiCl(3) system. Philosophical Magazine
Academic article

2012

Pitt, Mark; Vullum, Per Erik; Sørby, Magnus Helgerud; Sulic, M.P.; Emerich, H.; Paskevicius, Mark. (2012) Functionality of the nanoscopic crystalline Al/amorphous Al50Ti50 surface embedded composite observed in the NaAlH4 + xTiCl(3) system after milling. Journal of Alloys and Compounds
Academic article
Pitt, Mark; Vullum, Per Erik; Sørby, Magnus Helgerud; Blanchard, Didier; Sulic, M.P.; Emerich, H.. (2012) The location of Ti containing phases after the completion of the NaAlH4 + xTiCl(3) milling process. Journal of Alloys and Compounds
Academic article
Pitt, Mark; Vullum, Per Erik; Sørby, Magnus Helgerud; Emerich, H.; Paskevicius, Mark; Buckley, Craig E.. (2012) Amorphous Al1-xTix, Al1-xVx, and Al1-xFex phases in the hydrogen cycled TiCl3, VCl3 and FeCl3 enhanced NaAlH4 systems. Journal of Alloys and Compounds
Academic article
Pitt, Mark; Vullum, Per Erik; Sørby, Magnus Helgerud; Emerich, Herman; Paskevicius, Mark; Webb, Colin J.. (2012) Hydrogen absorption kinetics and structural features of NaAlH4 enhanced with transition-metal and Ti-based nanoparticles. International Journal of Hydrogen Energy
Academic article
Pitt, Mark; Vullum, Per Erik; Sørby, Magnus Helgerud; Emerich, Hermann; Paskevicius, Mark; Buckley, Craig E.. (2012) Hydrogen Absorption Kinetics of the Transition-Metal-Chloride-Enhanced NaAlH4 System. Journal of Physical Chemistry C
Academic article
Pitt, Mark; Vullum, Per Erik; Sørby, Magnus Helgerud; Emerich, Hermann; Paskevicius, M.; Buckley, C. E.. (2012) A structural review of nanoscopic Al1-xTMx phase formation in the TMCln enhanced NaAlH4 system. Journal of Alloys and Compounds
Academic article

2011

Vullum, Per Erik; Pitt, Mark P.; Walmsley, John C.; Hauback, Bjørn C.; Holmestad, Randi. (2011) TEM characterization of pure and transition metal enhanced NaAlH4. Journal of Alloys and Compounds
Academic article
Butler, Keith T; Vullum, Per Erik; Muggerud, Astrid Marie F; Cabrera, E.; Harding, JH. (2011) Structural and electronic properties of silver/silicon interfaces and implicationsfor solar cell performance. Physical Review B. Condensed Matter and Materials Physics
Academic article
Weigand, Christian Carl; Bergren, M.R.; Ladam, Cecile; Tveit, Johannes; Holmestad, Randi; Vullum, Per Erik. (2011) Formation of ZnO Nanosheets Grown by Catalyst-Assisted Pulsed Laser Deposition. Crystal Growth & Design
Academic article
Mokkelbost, Tommy; Fossdal, Anita; Dahl, Øystein; Martinez, Ana Maria Cuellar; Sheridan, Edel; Thomassen, Magnus Skinlo. (2011) Preparation of Silicon Nanostructures for Lithium Ion Battery Anodes. ECS Transactions
Academic article

2010

Zhou, Dayong; Vullum, Per Erik; Sharma, Gaurav; Thomassen, Sedsel Fretheim; Holmestad, Randi; Reenaas, Turid Worren. (2010) Positioning effects on quantum dot solar cells grown by molecular beam epitaxy. Applied Physics Letters
Academic article

2009

Karlsen, Morten; Einarsrud, Mari-Ann; Lein, Hilde Lea; Grande, Tor; Hjelen, Jarle; Vullum, Per Erik. (2009) Backscatter electron imaging and electron backscatter diffraction characterization of LaCoO3 during in situ compression. Journal of The American Ceramic Society
Academic article
Vullum, Per Erik; Pitt, M; Walmsley, John C; Hauback, Bjørn-Christian; Holmestad, Randi. (2009) Observations of nanoscopic, face centered cubic Ti and TiH (x). Applied Physics A: Materials Science & Processing
Academic article
Mokkelbost, Tommy; Lein, Hilde Lea; Vullum, Per Erik; Holmestad, Randi; Grande, Tor; Einarsrud, Mari-Ann. (2009) Thermal and mechanical properties of LaNbO4-based ceramics. Ceramics International
Academic article
Weigand, Christian Carl; Bergren, Matt; Ladam, Cecile; Vullum, Per Erik; Walmsley, John C; Fagerberg, Ragnar. (2009) Characterization of ZnO Nanostructures Grown by Pulsed Laser Deposition. Materials Research Society Symposium Proceedings
Academic article

2008

Vullum, Per Erik; Pitt, Mark; Walmsley, John C; Hauback, Bjørn; Holmestad, Randi. (2008) Transmission electron microscopy characterization of NaAlH4. Journal of Physics: Conference Series (JPCS)
Academic article
Pitt, Mark; Vullum, Per Erik; sørby, M.H.; sulic, M.P.; Jensen, CM; Walmsley, John C. (2008) Structural properties of the nanoscopic Al85Ti15 solid solution observed in the hydrogen-cycled NaAlH4 + 0.1TiCl3 system. Acta Materialia
Academic article
Vullum, Per Erik; Lein, Hilde Lea; Einarsrud, Mari-Ann; Grande, Tor; Holmestad, Randi. (2008) TEM observations of rhombohedral and monoclinic domains in LaCoO3-based ceramics. Philosophical Magazine
Academic article

2007

Vullum, Per Erik; Van Helvoort, Antonius; Holmestad, Randi; Mastin, Johann Roland M; Andersen, Øystein Skottun; Einarsrud, Mari-Ann. (2007) Grain boundary analysis and secondary phases in LaCoO3-based perovskites. Journal of Materials Science
Academic article
Vullum, Per Erik; Holmestad, Randi; Lein, Hilde Lea; Mastin, Johann Roland M; Einarsrud, Mari-Ann; Grande, Tor. (2007) Monoclinic ferroelastic domains in LaCoO3-based perovskites. Advanced Materials
Academic article

2006

Vullum, Per Erik; Mastin, Johann Roland M; Wright, J; Einarsrud, Mari-Ann; Holmestad, Randi; Grande, Tor. (2006) In situ synchrotron X-ray diffraction of ferroelastic La0.8Ca0.2CoO3 ceramics during uniaxial compression. Acta Materialia
Academic article
Lein, Hilde Lea; Andersen, Øystein Skottun; Vullum, Per Erik; Lara-Curzio, E; Holmestad, Randi; Einarsrud, Mari-Ann. (2006) Mechanical properties of mixed conducting La0.5Sr0.5Fe1-xCoxO3-delta (0 <= x <= 1) materials. Journal of Solid State Electrochemistry
Academic article

2005

Faaland, Sonia; Grande, Tor; Einarsrud, Mari-Ann; Vullum, Per Erik; Holmestad, Randi. (2005) Stress-strain behavior during compression of polycrystalline La1-xCaCoO3 ceramics. Journal of The American Ceramic Society
Academic article
Wærnhus, Ivar; Vullum, Per Erik; Holmestad, Randi; Grande, Tor; Wiik, Kjell. (2005) Electronic properties of polycrystalline LaFeO3. Part I: Experimental results and the qualitative role of Schottky defects. Solid State Ionics
Academic article

Tidsskriftspublikasjoner

Foss, Carl Erik Lie; Talkhoncheh, Mahdi; Ulvestad, Asbjørn; Andersen, Hanne Flåten; Vullum, Per Erik; Wagner, Nils Peter. (2025) Revisiting Mechanism of Silicon Degradation in Li-Ion Batteries: Effect of Delithiation Examined by Microscopy Combined with ReaxFF. The Journal of Physical Chemistry Letters
Academic article
Celotto, Ambra; Sandnes, Lise; Grong, Øystein; Sørhaug, Jørgen Andre; Stefani, Gaia; Wan, Di. (2024) Cold butt welding of dissimilar aluminum alloys: Characterization and interface bonding conditions. Materials Science & Engineering: A
Academic article
Asheim, Karina; Holsen, Ingrid Flatebø; Renman, Viktor; Blanco, Maria Valeria; Vullum, Per Erik; Wagner, Nils Peter. (2024) Enabling the use of lithium bis(trifluoromethanesulfonyl)imide as electrolyte salt for Li-ion batteries based on silicon anodes and Li(Ni0.4Co0.4Mn0.2)O2 cathodes by salt additives. Batteries & Supercaps
Academic article
Sørhaug, Jørgen Andre; Elkjær, Aksel Sean; Thronsen, Elisabeth; Bergh, Tina; Grong, Øystein; Vullum, Per Erik. (2024) Al-Cu intermetallic phase growth in hybrid metal extrusion & bonding welds exposed to isothermal annealing or direct current cycling. Materials & design
Academic article
Ali, Ayaz; Schrade, Matthias; Xing, Wen; Vullum, Per Erik; Koybasi, Ozhan; Taniguchi, Takashi. (2024) Two-Dimensional Heterostructure Complementary Logic Enabled by Optical Writing. Small Science
Academic article
Morzy, Jędrzej K.; Dose, Wesley M.; Vullum, Per Erik; Lai, May Ching; Mahadevegowda, Amoghavarsha; De Volder, Michael F. L.. (2024) Origins and Importance of Intragranular Cracking in Layered Lithium Transition Metal Oxide Cathodes. ACS Applied Energy Materials
Academic article
Hanser, C. S.; Vullum, Per Erik; Van Helvoort, Antonius; Schmitz, Fabian Dietmar; Häger, Tobias; Botcharnikov, R. (2024) Atomic resolution transmission electron microscopy visualisation of channel occupancy in beryl in different crystallographic directions . Physics and chemistry of minerals
Academic article
Liu, Xuelian; Maffre, Marion; Tie, Da; Wagner, Nils Peter; Félix, Noelia Cortés; Azmi, Raheleh. (2023) Surface, Structural, and Electrochemical Analysis of High-Voltage Spinel Cathode LiNi<inf>0.5</inf>Mn<inf>1.5</inf>O<inf>4</inf> Evolution Upon Ambient Storage Conditions. Journal of the Electrochemical Society
Academic article
Sørhaug, Jørgen Andre; Vullum, Per Erik; Holmestad, Randi. (2023) Observation Of Al-Cu Interface Instability During Room Temperature Storage. Microscopy and Microanalysis
Academic article
Bergh, Tina; Fyhn, Hursanay; Sandnes, Lise; Blindheim, Jørgen; Grong, Øystein; Holmestad, Randi. (2023) Multi-material Joining of an Aluminum Alloy to Copper, Steel, and Titanium by Hybrid Metal Extrusion & Bonding. Metallurgical and Materials Transactions A
Academic article
Bergh, Tina; Ånes, Håkon Wiik; Aune, Ragnhild; Wenner, Sigurd; Holmestad, Randi; Ren, Xiaobo. (2023) Intermetallic Phase Layers in Cold Metal Transfer Aluminium-Steel Welds with an Al–Si–Mn Filler Alloy. Materials transactions
Academic article
Zanni, Mattia; Berto, Filippo; Vullum, Per Erik; Tonelli, Lavinia; Morri, Alessandro; Ceschini, Lorella. (2023) Effect of heat treatment and defects on the tensile behavior of a hot work tool steel manufactured by laser powder bed fusion. Fatigue & Fracture of Engineering Materials & Structures (FFEMS)
Academic article
Hårberg, Sofie Brandtzæg; Hvidsten, Sverre; Lesaint, Cedric Michel; Vullum, Per Erik; Nylund, Inger-Emma; Einarsrud, Mari-Ann. (2023) Tracking down the cause of water tree issues in wet design high voltage subsea cables. #SINTEFblog
Popular scientific article
Gopakumar, Jithin; Huus, Sunniva Vold; Enger, Bjørn Christian; Waller, David; Vullum, Per Erik; Rønning, Magnus. (2023) Catalytic oxidation of NO to NO2 for industrial nitric acid production using Ag-promoted MnO2/ZrO2 catalysts. Catalysis Science & Technology
Academic article
Mukherjee, Anjan; Ren, Dingding; Mosberg, Aleksander Buseth; Vullum, Per Erik; Van Helvoort, Antonius; Fimland, Bjørn Ove Myking. (2023) Origin of Leakage Currents and Nanowire-to-Nanowire Inhomogeneity in Radial p-i-n Junction GaAs Nanowire Array Solar Cells on Si. ACS Applied Nano Materials
Academic article
Augustin, Matthias; Vullum, Per Erik; Vullum-Bruer, Fride; Svensson, Ann Mari. (2023) The effect of addition of the redox mediator dimethylphenazine on the oxygen reaction in porous carbon electrodes for Li/O2 batteries. Journal of Power Sources Advances
Academic article
Tolchard, Julian R; Vullum, Per Erik; Arstad, Bjørnar; Wagner, Nils Peter. (2023) New insights into orthophosphoric acid assisted rapid aqueous processing of NMC622 cathodes. RSC Sustainability
Academic article
Fagerli, Frode Håskjold; Vullum, Per Erik; Grande, Tor; Wang, Zhaohui; Selbach, Sverre Magnus; Wiik, Kjell. (2023) Bulk substitution of F-terminations from Ti3C2Tx MXene by cation pillaring and gas hydrolysation. FlatChem - Chemistry of Flat Materials
Academic article
Nylund, Inger-Emma; Zeiger, Caren Regine; Peng, Ding; Vullum, Per Erik; Walker, Julian; Einarsrud, Mari-Ann. (2022) Centrosymmetric Tetragonal Tungsten Bronzes A4Bi2Nb10O30 (A = 2 Na, K, Rb) with a Bi 6s Lone Pair. Chemistry of Materials
Academic article
Pacáková, Barbara; Vullum, Per Erik; Kirch, Alexsandro; Breu, Josef; Miranda, Caetano Rodrigues; Fossum, Jon Otto. (2022) Large bandgap insulating superior clay nanosheets. MRS bulletin
Academic article
Sarasini, Fabrizio; Tirillò, Jacopo; Lilli, Matteo; Bracciale, Maria Paola; Vullum, Per Erik; Berto, Filippo. (2022) Highly aligned growth of carbon nanotube forests with in-situ catalyst generation: A route to multifunctional basalt fibres. Composites Part B: Engineering
Academic article
Dull, Samuel M.; Vinogradova, Olga; Xu, Shicheng; Koshy, David M.; Vullum, Per Erik; Torgersen, Jan. (2022) Alloyed Pt-Zn Oxygen Reduction Catalysts for Proton Exchange Membrane Fuel Cells. ACS Applied Energy Materials
Academic article
Dehghan-Niri, Roya; Tsakoumis, Nikolaos; Voronov, Alexey; Holmen, Anders; Holmestad, Randi; Vullum, Per Erik. (2022) NanostructuralAnalysisof Co-Re/γ-Al2O3 Fischer-Tropsch Catalyst by TEM and XRD. ChemCatChem
Academic article
Bisht, Prashant; Kumar, Arvind; Ghosh, Abhishek; Vullum, Per Erik; Sunding, Martin Fleissner; Belle, Branson. (2022) Tailoring the Vertical and Planar Growth of 2D WS<inf>2</inf>Thin Films Using Pulsed Laser Deposition for Enhanced Gas Sensing Properties. ACS Applied Materials & Interfaces
Academic article
Knies, Jochen Manfred; Schönenberger, Jasmin; Zwingmann, Horst; van der Lelij, Roelant; Smelror, Morten; Vullum, Per Erik. (2022) Continental weathering and recovery from ocean nutrient stress during the Early Triassic Biotic Crisis. Communications Earth & Environment
Academic article
Nylund, Inger-Emma; Løndal, Nora Statle; Walker, Julian; Vullum, Per Erik; Einarsrud, Mari-Ann; Grande, Tor. (2022) Cation Disorder in Ferroelectric Ba4M2Nb10O30 (M = Na, K, and Rb)Tetragonal Tungsten Bronzes. Inorganic Chemistry
Academic article
Hunnestad, Kasper Aas; Hatzoglou, Constantinos; Khalid, Muhammad Zeeshan; Vullum, Per Erik; Yan, Zewu; Bourret, Edith. (2022) Atomic-scale 3D imaging of individual dopant atoms in an oxide semiconductor. Nature Communications
Academic article
Bergh, Tina; Arbo, Siri Marthe; Hagen, Anette Brocks; Blindheim, Jørgen; Friis, Jesper; Khalid, Muhammad Zeeshan. (2022) On intermetallic phases formed during interdiffusion between aluminium alloys and stainless steel. Intermetallics (Barking)
Academic article
Mazumder, Julaiba Tahsina; Lenka, T.R.; Tripathy, S.K.; Vullum, Per Erik; Menon, P.S.; Lin, F.. (2022) Investigation of structural, morphological, and optoelectronic properties of Ga-doped TiO2 nanoparticles for electron transport layer in solar cell applications: An experimental and theoretical study. Journal of Physics and Chemistry of Solids
Academic article
Solem, Cathrine Kyung Won; Vullum, Per Erik; Tranell, Gabriella; Aune, Ragnhild Elizabeth. (2022) Heat Treatment of Mg-Containing Aluminum Alloys 5182 and 6016 in an Oxidizing Atmosphere with 4% CO2. The Minerals, Metals & Materials Series
Academic article
Asheim, Karina; Vullum, Per Erik; Wagner, Nils Peter; Andersen, Hanne Flåten; Mæhlen, Jan Petter; Svensson, Ann Mari. (2022) Improved electrochemical performance and solid electrolyte interphase properties of electrolytes based on lithium bis(fluorosulfonyl)imide for high content silicon anodes. RSC Advances
Academic article
Solem, Cathrine Kyung Won; Vullum, Per Erik; Ebadi, Mahsa; Tranell, Gabriella; Aune, Ragnhild Elizabeth. (2022) The Role of CO2 in the Oxidation-Protection of Mg-Containing Aluminum Alloys. Metallurgical and Materials Transactions B
Short communication
Behera, Aroop; Harris, Charles; Pete, Douglas; Delker, Collin; Vullum, Per Erik; Benthem, Marta. (2021) High-Performance and Ultralow-Noise Two-Dimensional Heterostructure Field-Effect Transistors with One-Dimensional Electrical Contacts. ACS Applied Electronic Materials
Academic article
Celotto, Ambra; Grong, Øystein; Holmestad, Randi; Sørhaug, Jørgen A; Torgersen, Jan; Vullum, Per Erik. (2021) Preliminary in-situ study of FIB-assisted method for aluminium solid-state welding at the microscale. Procedia Structural Integrity
Academic article
Evans, Donald M.; Holstad, Theodor Secanell; Mosberg, Aleksander B.; Småbråten, Didrik R.; Vullum, Per Erik; Dadlani, Anup. (2021) Publisher Correction: Conductivity control via minimally invasive anti-Frenkel defects in a functional oxide (Nature Materials, (2020), 19, 11, (1195-1200), 10.1038/s41563-020-0765-x). Nature Materials
Errata
Nylund, Inger-Emma; Ræder, Trygve Magnus; Vullum, Per Erik; Grande, Tor. (2021) Epitaxial (100), (110), and (111) BaTiO3 films on SrTiO3 substrates — A transmission electron microscopy study. Journal of Applied Physics
Academic article
Tsoutsouva, Maria; Regula, G.; Ryningen, B.; Vullum, Per Erik; Mangelinck-Noël, N.; Stokkan, Gaute. (2021) Dynamic observation of dislocation evolution and interaction with twin boundaries in silicon crystal growth using in – situ synchrotron X-ray diffraction imaging. Acta Materialia
Academic article
Bjørkedal, Ole Håvik; Regli, Samuel K.; Nuguid, Rob Jeremiah G.; Vullum, Per Erik; Kröcher, Oliver; Ferri, Davide. (2021) One-pot synthesis of highly dispersed mesoporous Cu/ZrO2 catalysts for NH3-SCR. Catalysis Today
Academic article
Polfus, Jonathan M.; Benthem, Marta; Ali, Ayaz; Barragan-Yani, Daniel; Vullum, Per Erik; Sunding, Martin Fleissner. (2021) Temperature-Dependent Adhesion in van der Waals Heterostructures. Advanced Materials Interfaces
Academic article
Guo, Xiaoyang; Vullum, Per Erik; Venvik, Hilde Johnsen. (2021) Inhibition of metal dusting corrosion on Fe-based alloy by combined near surface severe plastic deformation (NS-SPD) and thermochemical treatment. Corrosion Science
Academic article
Dull, Sam; Xu, Shicheng; Goh, Timothy; Lee, Dong Un; Higgins, Drew; Orazov, Marat. (2021) Bottom-Up Fabrication of Oxygen Reduction Electrodes with Atomic Layer Deposition for High-Power-Density PEMFCs. Cell Reports Physical Science
Academic article
Xu, Shicheng; Wang, Zhaoxuan; Dull, Sam; Liu, Yunzhi; Lee, Dong Un; Pacheco, Lezama. (2021) Direct Integration of Strained-Pt Catalysts into Proton-Exchange-Membrane Fuel Cells with Atomic Layer Deposition. Advanced Materials
Academic article
Liudi Mulyo, Andreas; Mukherjee, Anjan; Høiaas, Ida Marie; Ahtapodov, Lyubomir; Nilsen, Tron Arne; Toftevaag, Håvard Hem. (2021) Graphene-Based Transparent Conducting Substrates for GaN/AlGaN Nanocolumn Flip-Chip Ultraviolet Light-Emitting Diodes. ACS Applied Nano Materials
Academic article
Mukherjee, Anjan; Ren, Dingding; Vullum, Per Erik; Huh, Junghwan; Fimland, Bjørn-Ove; Weman, Helge. (2021) GaAs/AlGaAs Nanowire Array Solar Cell Grown on Si with Ultrahigh Power-per-Weight Ratio. ACS Photonics
Academic article
Evans, Donald; Småbråten, Didrik Rene; Holstad, Theodor Secanell; Vullum, Per Erik; Mosberg, Aleksander Buseth; Yan, Zewu. (2021) Observation of Electric-Field-Induced Structural Dislocations in a Ferroelectric Oxide. Nano Letters
Academic article
Vatanparast, Maryam; Shao, Yu-Tsun; Rajpalke, Mohana; Fimland, Bjørn-Ove; Reenaas, Turid Dory; Holmestad, Randi. (2021) Detecting minute amounts of nitrogen in GaNAs thin films using STEM and CBED. Ultramicroscopy
Academic article
Jensen, Ingvild Julie Thue; Ali, Ayaz; Zeller, Patrick; Amati, Matteo; Schrade, Matthias; Vullum, Per Erik. (2021) Direct Observation of Charge Transfer between NOx and Monolayer MoS2 by Operando Scanning Photoelectron Microscopy. ACS Applied Nano Materials
Academic article
Sandnes, Lise; Bergh, Tina; Grong, Øystein; Holmestad, Randi; Vullum, Per Erik; Berto, Filippo. (2021) Interface Microstructure and Tensile Properties of a Third Generation Aluminium-Steel Butt Weld Produced Using the Hybrid Metal Extrusion & Bonding (HYB) Process. Materials Science & Engineering: A
Academic article
Evans, Donald M.; Holstad, Theodor Secanell; Mosberg, Aleksander B.; Småbråten, Didrik Rene; Vullum, Per Erik; Dadlani, Anup L.. (2020) Publisher Correction: Conductivity control via minimally invasive anti-Frenkel defects in a functional oxide (Nature Materials, (2020), 19, 11, (1195-1200), 10.1038/s41563-020-0765-x). Nature Materials
Errata
Jayakumari, Sethulakshmy; Vullum, Per Erik; Van Helvoort, Antonius; Tangstad, Merete. (2020) SiC crystalline micro bullets on bio-carbon based charcoal substrate. Journal of Crystal Growth
Academic article
Bergh, Tina; Sandnes, Lise; Johnstone, Duncan Neil; Grong, Øystein; Berto, Filippo; Holmestad, Randi. (2020) Microstructural and mechanical characterisation of a second generation hybrid metal extrusion & bonding aluminium-steel butt joint. Materials Characterization
Academic article
Liudi Mulyo, Andreas; Rajpalke, Mohana; Vullum, Per Erik; Weman, Helge; Kishino, Katsumi; Fimland, Bjørn-Ove. (2020) The influence of AlN buffer layer on the growth of self-assembled GaN nanocolumns on graphene. Scientific Reports
Academic article
Wagner, Nils Peter; Tolchard, Julian R; Tron, Artur; Pollen, Harald Norrud; Gaertner, Heiko; Vullum, Per Erik. (2020) Improved cyclability of Nickel-rich layered oxides. MRS Advances
Academic article
Sørgård, Trygve; Song, Seunghan; Vullum, Per Erik; Kores, Cristine; Mølster, Kjell Martin; Laurell, Fredrik. (2020) Broadband infrared and THz transmitting silicon core optical fiber. Optical Materials Express
Academic article
Evans, Donald; Holstad, Theodor Secanell; Mosberg, Aleksander Buseth; Småbråten, Didrik Rene; Vullum, Per Erik; Dadlani, Anup. (2020) Conductivity control via minimally invasive anti-Frenkel defects in a functional oxide. Nature Materials
Academic article
Tsoutsouva, Maria; Vullum, Per Erik; Adamczyk, Krzysztof Jan; Di Sabatino Lundberg, Marisa; Stokkan, Gaute. (2020) Interfacial atomic structure and electrical activity of nano-facetted CSL grain boundaries in high-performance multi-crystalline silicon. Journal of Applied Physics
Academic article
Guo, Xiaoyang; Vanhaecke, Estelle Marie M.; Vullum, Per Erik; Ma, Jianyu; Panditha Vidana, Daham Sanjaya Gunawardana; Walmsley, John. (2020) Effects of metal dusting relevant exposures of alloy 601 surfaces on carbon formation and oxide development. Catalysis Today
Academic article
Augustin, Matthias; Vullum, Per Erik; Vullum-Bruer, Fride; Svensson, Ann Mari. (2019) Inside the electrode: Looking at cycling products in Li/O2 batteries . Journal of Power Sources
Academic article
Grong, Øystein; Sandnes, Lise; Bergh, Tina; Vullum, Per Erik; Holmestad, Randi; Berto, Filippo. (2019) An analytical framework for modelling intermetallic compound (IMC) formation and optimising bond strength in aluminium‐steel welds. Material Design & Processing Communications (MDPC)
Academic article
Johannessen, Karen Cecilie; McLoughlin, Nicola; Vullum, Per Erik; Thorseth, Ingunn Hindenes. (2019) On the biogenicity of Fe-oxyhydroxide filaments in silicified low-temperature hydrothermal deposits: Implications for the identification of Fe-oxidizing bacteria in the rock record. Geobiology
Academic article
Høiaas, Ida Marie; Liudi Mulyo, Andreas; Vullum, Per Erik; Kim, Dong Chul; Ahtapodov, Lyubomir; Fimland, Bjørn-Ove. (2019) GaN/AlGaN nanocolumn ultraviolet light-emitting diode using double-Layer graphene as substrate and transparent electrode. Nano Letters
Academic article
Becker, Hanka; Bergh, Tina; Vullum, Per Erik; Leineweber, Andreas; Li, Yanjun. (2019) Effect of Mn and cooling rates on α-, β- and δ-Al–Fe–Si intermetallic phase formation in a secondary Al–Si alloy. Materialia
Academic article
Becker, Hanka; Bergh, Tina; Vullum, Per Erik; Leineweber, Andreas; Li, Yanjun. (2019) β- and δ-Al-Fe-Si intermetallic phase, their intergrowth and polytype formation. Journal of Alloys and Compounds
Academic article
Pham, Ky Nam; Gaukås, Nikolai Helth; Morozov, Maxim; Tybell, Per Thomas Martin; Vullum, Per Erik; Grande, Tor. (2019) Epitaxial K0.5Na0.5NbO3 thin films by aqueous chemical solution deposition. Royal Society Open Science
Academic article
Liudi Mulyo, Andreas; Rajpalke, Mohana; Kuroe, Haruhiko; Vullum, Per Erik; Weman, Helge; Fimland, Bjørn-Ove. (2019) Erratum: Vertical GaN nanocolumns grown on graphene intermediated with a thin AlN buffer layer (Nanotechnology 30 015604). Nanotechnology
Errata
Haugland, Ingrid Bokn; Kjos, Ole Sigmund; Røyset, Arne Karstein; Vullum, Per Erik; Aarhaug, Thor Anders; Halstensen, Maths. (2019) Alumina scale composition and growth rate in distribution pipes. The Minerals, Metals & Materials Series
Academic article
Arbo, Siri Marthe; Bergh, Tina; Holmedal, Bjørn; Vullum, Per Erik; Westermann, Ida. (2019) Relationship between Al-Ni intermetallic Phases and Bond Strength in Roll Bonded Steel-Aluminum Composites with Nickel Interlayers. Metals
Academic article
Bergh, Tina; Johnstone, Duncan N.; Crout, Phillip; Høgås, Simon; Midgley, Paul Anthony; Holmestad, Randi. (2019) Nanocrystal segmentation in scanning precession electron diffraction data. Journal of Microscopy
Academic article
Andersen, Hanne Flåten; Foss, Carl Erik Lie; Voje, Jorunn; Tronstad, Ragnar; Mokkelbost, Tommy; Vullum, Per Erik. (2019) Silicon-carbon composite anodes from industrial battery grade silicon. Scientific Reports
Academic article
McLoughlin, Nicola; Grosch, Eugene Gerald; Vullum, Per Erik; Guagliardo, Paul; Saunders, Martin; Wacey, David. (2019) Critically testing olivine-hosted putative martian biosignatures in the Yamato 000593 meteorite - Geobiological implications. Geobiology
Academic article
Saai, Afaf; Wang, Zhaohui; Pezzotta, Micol; Friis, Jesper; Ratvik, Arne Petter; Vullum, Per Erik. (2018) Multi-scale modelling of titanium diboride degradation using crystal elasticity model and density functional theory. The Minerals, Metals & Materials Series
Academic article
Liudi Mulyo, Andreas; Rajpalke, Mohana; Kuroe, Haruhiko; Vullum, Per Erik; Weman, Helge; Fimland, Bjørn-Ove. (2018) Vertical GaN nanocolumns grown on graphene intermediated with a thin AlN buffer layer. Nanotechnology
Academic article
Wang, Lu; Vullum, Per Erik; Asheim, Karina; Wang, Xuehang; Svensson, Ann Mari; Vullum-Bruer, Fride. (2018) High capacity Mg batteries based on surface-controlled electrochemical reactions. Nano Energy
Academic article
Wang, Lu; Jiang, Bo; Vullum, Per Erik; Svensson, Ann Mari; Erbe, Andreas; Selbach, Sverre Magnus. (2018) High interfacial charge storage capability of carbonaceous cathodes for Mg batteries. ACS Nano
Academic article
Undheim, Espen; Vullum, Per Erik; Holmestad, Randi; Arnberg, Lars; Di Sabatino Lundberg, Marisa. (2018) Orientation relationship between b-Si3N4 and Si in multicrystalline silicon ingots for PV applications. Journal of Crystal Growth
Academic article
El-Kharbachi, Abdelouahab; Hu, Yang; Sørby, Magnus Helgerud; Mæhlen, Jan Petter; Vullum, Per Erik; Fjellvåg, Helmer. (2018) Reversibility of metal-hydride anodes in all-solid-state lithium secondary battery operating at room temperature. Solid State Ionics
Academic article
Polyakov, Stanislav; Karhu, Eric Andrew; Zamiri, Reza; Moisset, Charles; Iliopoulos, Konstantinos; Vullum, Per Erik. (2018) Nonlinear optical response and structural properties of MBE-grown Fe:ZnS films. Optical Materials Express
Academic article
Munshi, A Mazid; Kim, Dong-Chul; Heimdal, Carl Philip J; Heilmann, Martin; Christiansen, Silke; Vullum, Per Erik. (2018) Selective area growth of AlGaN nanopyramid arrays on graphene by metal-organic vapor phase epitaxy. Applied Physics Letters
Academic article
El-Kharbachi, Abdelouahab; Hu, Yang; Sørby, Magnus Helgerud; Vullum, Per Erik; Mæhlen, Jan Petter; Fjellvåg, Helmer. (2018) Understanding Capacity Fading of MgH2 Conversion-Type Anodes via Structural Morphology Changes and Electrochemical Impedance. Journal of Physical Chemistry C
Academic article
Wang, Lu; Wang, Zhaohui; Vullum, Per Erik; Selbach, Sverre Magnus; Svensson, Ann Mari; Vullum-Bruer, Fride. (2017) Solvent-Controlled Charge Storage Mechanisms of Spinel Oxide Electrodes in Mg Organohaloaluminate Electrolytes. Nano Letters
Academic article
Vatanparast, Maryam; Vullum, Per Erik; Nord, Magnus Kristofer; Zuo, Jian Min; Reenaas, Turid Worren; Holmestad, Randi. (2017) Strategy for reliable strain measurement in InAs/GaAs materials from high-resolution Z-contrast STEM images. Journal of Physics: Conference Series (JPCS)
Academic article
Vatanparast, Maryam; Vullum, Per Erik; Reenaas, Turid Worren; Holmestad, Randi; Nord, Magnus Kristofer. (2017) Methodology to Improve Strain Measurement in III–V Semiconductors Materials. Microscopy and Microanalysis
Academic article
El-Kharbachi, Abdelouahab; Andersen, Hanne Flåten; Sørby, Magnus Helgerud; Vullum, Per Erik; Mæhlen, Jan Petter; Hauback, Bjørn. (2017) Morphology effects in MgH2 anode for lithium ion batteries. International Journal of Hydrogen Energy
Academic article
Nord, Magnus Kristofer; Vullum, Per Erik; MacLaren, I; Tybell, Per Thomas Martin; Holmestad, Randi. (2017) Atomap - Automated Analysis of Atomic Resolution STEM Images. Microscopy and Microanalysis
Academic article
Vullum, Per Erik; Nord, Magnus Kristofer; Vatanparast, Maryam; Thomassen, Sedsel Fretheim; Boothroyd, Chris; Holmestad, Randi. (2017) Quantitative strain analysis of InAs/GaAs quantum dot materials. Scientific Reports
Academic article
Vatanparast, Maryam; Egoavil, Ricardo; Reenaas, Turid Worren; Verbeeck, Johan; Holmestad, Randi; Vullum, Per Erik. (2017) Bandgap measurement of high refractive index materials by off-axis EELS. Ultramicroscopy
Academic article
Hallsteinsen, Ingrid; Moreau, Magnus; Chopdekar, R.V.; Christiansen, Emil; Nord, Magnus Kristofer; Vullum, Per Erik. (2017) Magnetic domain configuration of (111)-oriented LaFeO3 epitaxial thin films. APL Materials
Academic article
Dahl, Paul Inge; Rausseo, Luis César Colmenares; Barnett, Alejandro; Lomas, Scott; Vullum, Per Erik; Kvello, Jannicke Hatlø. (2017) Flame spray pyrolysis of tin oxide-based Pt catalysts for PEM fuel cell applications. MRS Advances
Academic article
Nord, Magnus Kristofer; Vullum, Per Erik; MacLaren, Ian; Tybell, Per Thomas Martin; Holmestad, Randi. (2017) Atomap: a new software tool for the automated analysis of atomic resolution images using two-dimensional Gaussian fitting. Advanced Structural and Chemical Imaging
Academic article
Vullum-Bruer, Fride; Vullum, Per Erik; Feilberg, Pernille. (2017) Supermikroskoper bidrar til grønt batteriskifte. Gemini
Popular scientific article
Hallsteinsen, Ingrid; Moreau, Magnus; Grutter, A; Nord, Martin; Vullum, Per Erik; Gilbert, DA. (2016) Concurrent magnetic and structural reconstructions at the interface of (111)-oriented L a0.7 S r0.3Mn O3/LaFe O3. Physical Review B. Condensed Matter and Materials Physics
Academic article
Wang, Lu; Asheim, Karina; Vullum, Per Erik; Svensson, Ann Mari; Vullum-Bruer, Fride. (2016) Sponge-like porous manganese(II,III) oxide as a highly efficient cathode material for rechargeable magnesium ion batteries. Chemistry of Materials
Academic article
Valluvar Oli, Arivazhagan; Schmitz, F.D.; Vullum, Per Erik; Van Helvoort, Antonius; Holst, Bodil. (2016) Atomic resolution imaging of beryl: an investigation of the nano-channel occupation. Journal of Microscopy
Academic article
Nematollahi, Mohammadreza; Yang, Xiaodong; Seim, Eivind; Vullum, Per Erik; Holmestad, Randi; Gibson, Ursula. (2016) Compositional and structural properties of pulsed laser-deposited ZnS:Cr films. Applied Physics A: Materials Science & Processing
Academic article
Nord, Magnus Kristofer; Vullum, Per Erik; Hallsteinsen, Ingrid; Tybell, Per Thomas Martin; Holmestad, Randi. (2016) Assessing electron beam sensitivity for SrTiO3 and La0.7Sr0.3MnO3 using electron energy loss spectroscopy. Ultramicroscopy
Academic article
Wagner, Nils Peter; Vullum, Per Erik; Nord, Magnus Kristofer; Svensson, Ann Mari; Vullum-Bruer, Fride. (2016) On Vanadium Substitution in Li2MnSiO4/C as Positive Electrode for Li-ion Batteries. Journal of Physical Chemistry C
Academic article
Hallsteinsen, Ingrid; Nord, Magnus Kristofer; Bolstad, Torstein; Vullum, Per Erik; Boschker, Jos Emiel; Longo, Paulo. (2016) Effect of polar (111)-oriented SrTiO3 on initial perovskite growth. Crystal Growth & Design
Academic article
Pedersen, Leif-Erik Rydland; McLoughlin, Nicola; Vullum, Per Erik; Thorseth, Ingunn Hindenes. (2015) Abiotic and candidate biotic micro-alteration textures in subseafloor basaltic glass: A high-resolution in-situ textural and geochemical investigation. Chemical Geology
Academic article
Christiansen, Emil; Nord, Magnus Kristofer; Hallsteinsen, Ingrid; Vullum, Per Erik; Tybell, Per Thomas Martin; Holmestad, Randi. (2015) Structural investigation of epitaxial LaFeO_3 thin films on (111) oriented SrTiO_3 by transmission electron microscopy. Journal of Physics: Conference Series (JPCS)
Academic article
Chauton, Matilde Skogen; Skolem, Lotte Maria Beate; Olsen, Lasse Mork; Vullum, Per Erik; Walmsley, John; Vadstein, Olav. (2015) Titanium uptake and incorporation into silica nanostructures by the diatom Pinnularia sp. (Bacillariophyceae). Journal of Applied Phycology
Academic article
Nord, Magnus Kristofer; Vullum, Per Erik; Moreau, Magnus; Boschker, Jos Emiel; Selbach, Sverre Magnus; Holmestad, Randi. (2015) Structural phases driven by oxygen vacancies at the La0.7Sr0.3MnO3/SrTiO3 hetero-interface. Applied Physics Letters
Academic article
Fu, Qiang; Rausseo, Luis César Colmenares; Martinez, Umberto; Dahl, Paul Inge; Lastra, Juan Maria García; Vullum, Per Erik. (2015) Effect of Sb Segregation on Conductance and Catalytic Activity at Pt/Sb-Doped SnO2 Interface: A Synergetic Computational and Experimental Study. ACS Applied Materials & Interfaces
Academic article
Loland, Thomas Emdal; Sele, Jaran; Einarsrud, Mari-Ann; Vullum, Per Erik; Johnsson, Mats; Wiik, Kjell. (2015) Thermal Conductivity of A-site Cation-Deficient La-Substituted SrTiO3 Produced by Spark Plasma Sintering. Energy Harvesting and Systems
Academic article
Dahl, Paul Inge; Thomassen, Magnus Skinlo; Rausseo, Luis César Colmenares; Barnet, Alejandro; Lomas, Scott; Vullum, Per Erik. (2015) Flame spray pyrolysis of electrode materials for energy applications. Materials Research Society Symposium Proceedings
Academic article
Cabrera, Enrique; Olibet, Sara; Rudolph, Dominik; Vullum, Per Erik; Kopecek, Radovan; Reinke, Daniel. (2015) Impact of excess phosphorus doping and Si crystalline defects on Ag crystallite nucleation and growth in silver screen-printed Si solar cells. Progress in Photovoltaics
Academic article
Lamers, Machteld; Hintzsche, Leif E.; Butler, Keith T.; Vullum, Per Erik; Fang, Chang-Ming; Marsman, Martijn. (2014) The interface of a-SiNx:H and Si: Linking the nano-scale structure to passivation quality. Solar Energy Materials and Solar Cells
Academic article
Zhou, Haitao; Lou, Fengliu; Vullum, Per Erik; Einarsrud, Mari-Ann; Chen, De; Vullum-Bruer, Fride. (2013) 3D aligned-carbon-nanotubes@Li2FeSiO4 arrays as high rate capability cathodes for Li-ion batteries. Nanotechnology
Academic article
Granlund, Håvard; Fløystad, Jostein Bø; Esmaeili, Morteza; Bakken, Eirik Torbjørn; Bech, Martin; Vullum, Per Erik. (2013) Mapping structural gradients in isotactic polypropylene using scanning wide-angle X-ray scattering. Polymer
Academic article
Hallsteinsen, Ingrid; Boschker, Jos Emiel; Nord, Magnus Kristofer; Lee, S; Rzchowski, M; Vullum, Per Erik. (2013) Surface stability of epitaxial La0.7Sr0.3MnO3 thin films on (111)-oriented SrTiO3. Journal of Applied Physics
Academic article
Lamers, Machteld; Butler, Keith T; Vullum, Per Erik; Harding, John; Weeber, Arthur. (2013) Characterization of a-SiNx:H layer: Bulk properties, interface with Si and solar cell efficiency. Physica status solidi. A, Applied research
Academic article
Josefsson, Gabriella; Tanem, Bjørn Steinar; Li, Yanjun; Vullum, Per Erik; Gamstedt, E. Kristofer. (2013) Prediction of elastic properties of nanofibrillated cellulose from micromechanical modeling and nano-structure characterization by transmission electron microscopy. Cellulose
Academic article
Pitt, Mark; Vullum, Per Erik; Sørby, Magnus Helgerud; Emerich, H.; Paskevicius, M.; Buckley, C. E.. (2013) Crystalline Al1-xTix phases in the hydrogen cycled NaAlH4+0.02TiCl(3) system. Philosophical Magazine
Academic article
Pitt, Mark; Vullum, Per Erik; Sørby, Magnus Helgerud; Sulic, M.P.; Emerich, H.; Paskevicius, Mark. (2012) Functionality of the nanoscopic crystalline Al/amorphous Al50Ti50 surface embedded composite observed in the NaAlH4 + xTiCl(3) system after milling. Journal of Alloys and Compounds
Academic article
Pitt, Mark; Vullum, Per Erik; Sørby, Magnus Helgerud; Blanchard, Didier; Sulic, M.P.; Emerich, H.. (2012) The location of Ti containing phases after the completion of the NaAlH4 + xTiCl(3) milling process. Journal of Alloys and Compounds
Academic article
Pitt, Mark; Vullum, Per Erik; Sørby, Magnus Helgerud; Emerich, H.; Paskevicius, Mark; Buckley, Craig E.. (2012) Amorphous Al1-xTix, Al1-xVx, and Al1-xFex phases in the hydrogen cycled TiCl3, VCl3 and FeCl3 enhanced NaAlH4 systems. Journal of Alloys and Compounds
Academic article
Pitt, Mark; Vullum, Per Erik; Sørby, Magnus Helgerud; Emerich, Herman; Paskevicius, Mark; Webb, Colin J.. (2012) Hydrogen absorption kinetics and structural features of NaAlH4 enhanced with transition-metal and Ti-based nanoparticles. International Journal of Hydrogen Energy
Academic article
Pitt, Mark; Vullum, Per Erik; Sørby, Magnus Helgerud; Emerich, Hermann; Paskevicius, Mark; Buckley, Craig E.. (2012) Hydrogen Absorption Kinetics of the Transition-Metal-Chloride-Enhanced NaAlH4 System. Journal of Physical Chemistry C
Academic article
Pitt, Mark; Vullum, Per Erik; Sørby, Magnus Helgerud; Emerich, Hermann; Paskevicius, M.; Buckley, C. E.. (2012) A structural review of nanoscopic Al1-xTMx phase formation in the TMCln enhanced NaAlH4 system. Journal of Alloys and Compounds
Academic article
Vullum, Per Erik; Pitt, Mark P.; Walmsley, John C.; Hauback, Bjørn C.; Holmestad, Randi. (2011) TEM characterization of pure and transition metal enhanced NaAlH4. Journal of Alloys and Compounds
Academic article
Butler, Keith T; Vullum, Per Erik; Muggerud, Astrid Marie F; Cabrera, E.; Harding, JH. (2011) Structural and electronic properties of silver/silicon interfaces and implicationsfor solar cell performance. Physical Review B. Condensed Matter and Materials Physics
Academic article
Weigand, Christian Carl; Bergren, M.R.; Ladam, Cecile; Tveit, Johannes; Holmestad, Randi; Vullum, Per Erik. (2011) Formation of ZnO Nanosheets Grown by Catalyst-Assisted Pulsed Laser Deposition. Crystal Growth & Design
Academic article
Mokkelbost, Tommy; Fossdal, Anita; Dahl, Øystein; Martinez, Ana Maria Cuellar; Sheridan, Edel; Thomassen, Magnus Skinlo. (2011) Preparation of Silicon Nanostructures for Lithium Ion Battery Anodes. ECS Transactions
Academic article
Zhou, Dayong; Vullum, Per Erik; Sharma, Gaurav; Thomassen, Sedsel Fretheim; Holmestad, Randi; Reenaas, Turid Worren. (2010) Positioning effects on quantum dot solar cells grown by molecular beam epitaxy. Applied Physics Letters
Academic article
Karlsen, Morten; Einarsrud, Mari-Ann; Lein, Hilde Lea; Grande, Tor; Hjelen, Jarle; Vullum, Per Erik. (2009) Backscatter electron imaging and electron backscatter diffraction characterization of LaCoO3 during in situ compression. Journal of The American Ceramic Society
Academic article
Vullum, Per Erik; Pitt, M; Walmsley, John C; Hauback, Bjørn-Christian; Holmestad, Randi. (2009) Observations of nanoscopic, face centered cubic Ti and TiH (x). Applied Physics A: Materials Science & Processing
Academic article
Mokkelbost, Tommy; Lein, Hilde Lea; Vullum, Per Erik; Holmestad, Randi; Grande, Tor; Einarsrud, Mari-Ann. (2009) Thermal and mechanical properties of LaNbO4-based ceramics. Ceramics International
Academic article
Weigand, Christian Carl; Bergren, Matt; Ladam, Cecile; Vullum, Per Erik; Walmsley, John C; Fagerberg, Ragnar. (2009) Characterization of ZnO Nanostructures Grown by Pulsed Laser Deposition. Materials Research Society Symposium Proceedings
Academic article
Vullum, Per Erik; Pitt, Mark; Walmsley, John C; Hauback, Bjørn; Holmestad, Randi. (2008) Transmission electron microscopy characterization of NaAlH4. Journal of Physics: Conference Series (JPCS)
Academic article
Pitt, Mark; Vullum, Per Erik; sørby, M.H.; sulic, M.P.; Jensen, CM; Walmsley, John C. (2008) Structural properties of the nanoscopic Al85Ti15 solid solution observed in the hydrogen-cycled NaAlH4 + 0.1TiCl3 system. Acta Materialia
Academic article
Vullum, Per Erik; Lein, Hilde Lea; Einarsrud, Mari-Ann; Grande, Tor; Holmestad, Randi. (2008) TEM observations of rhombohedral and monoclinic domains in LaCoO3-based ceramics. Philosophical Magazine
Academic article
Vullum, Per Erik; Van Helvoort, Antonius; Holmestad, Randi; Mastin, Johann Roland M; Andersen, Øystein Skottun; Einarsrud, Mari-Ann. (2007) Grain boundary analysis and secondary phases in LaCoO3-based perovskites. Journal of Materials Science
Academic article
Vullum, Per Erik; Holmestad, Randi; Lein, Hilde Lea; Mastin, Johann Roland M; Einarsrud, Mari-Ann; Grande, Tor. (2007) Monoclinic ferroelastic domains in LaCoO3-based perovskites. Advanced Materials
Academic article
Vullum, Per Erik; Mastin, Johann Roland M; Wright, J; Einarsrud, Mari-Ann; Holmestad, Randi; Grande, Tor. (2006) In situ synchrotron X-ray diffraction of ferroelastic La0.8Ca0.2CoO3 ceramics during uniaxial compression. Acta Materialia
Academic article
Lein, Hilde Lea; Andersen, Øystein Skottun; Vullum, Per Erik; Lara-Curzio, E; Holmestad, Randi; Einarsrud, Mari-Ann. (2006) Mechanical properties of mixed conducting La0.5Sr0.5Fe1-xCoxO3-delta (0 <= x <= 1) materials. Journal of Solid State Electrochemistry
Academic article
Faaland, Sonia; Grande, Tor; Einarsrud, Mari-Ann; Vullum, Per Erik; Holmestad, Randi. (2005) Stress-strain behavior during compression of polycrystalline La1-xCaCoO3 ceramics. Journal of The American Ceramic Society
Academic article
Wærnhus, Ivar; Vullum, Per Erik; Holmestad, Randi; Grande, Tor; Wiik, Kjell. (2005) Electronic properties of polycrystalline LaFeO3. Part I: Experimental results and the qualitative role of Schottky defects. Solid State Ionics
Academic article

Del av bok/rapport

Hårberg, Sofie Brandtzæg; Nylund, Inger-Emma; Einarsrud, Mari-Ann; Vullum, Per Erik; Lesaint, Cedric Michel; Hvidsten, Sverre. (2023) STEM-EDS of Inception Sites of Vented Trees in a HV XLPE Subsea Cable.
Academic chapter/article/Conference paper
Torsæter, Malin; Opedal, Nils van der Tuuk; Vrålstad, Torbjørn; Vullum, Per Erik. (2013) A Visual Journey into the 3D Chemical Nanostructure of Oilwell Cement. Society of Petroleum Engineers
Academic chapter/article/Conference paper

Rapport

Nylund, Inger-Emma; Grande, Tor; Vullum, Per Erik; Einarsrud, Mari-Ann. (2022) Transmission electron microscopy of ferroic materials. NTNU
Doctoral dissertation
Arbo, Siri Marthe; Westermann, Ida; Holmedal, Bjørn; Vullum, Per Erik. (2020) Cold Welding of steel and aluminum alloys. Joining process, intermetallic phases and bond strength. Doktoravhandlinger ved NTNU (16)
Doctoral dissertation

Formidling

2025

Academic lecture

Fagerli, Frode Håskjold; Vullum, Per Erik. (2025) Artificial vs. natural graphite. Vianode SUMBAT Webinar , Teams 2025-01-29 - 2025-01-29

2024

Poster

Vullum-Bruer, Fride; Thangaian, Kesavan; Vullum, Per Erik; Svensson, Ann Mari; Blanco, Maria Valeria. (2024) SiOx Li-ion battery anodes produced from reduced diatom frustules. SINTEF Workshop on Emerging Battery Technologies , Oslo 2024-06-25 - 2024-06-26
Poster

Poncy Mathew, Esther; Svensson, Ann Mari; Vullum, Per Erik; Wagner, Nils Peter. (2024) To investigate the use of lithium oxalate as a sacrificial salt (pre-lithiation agent) in LIBs. NordBatt 2024 , Oslo 2024-09-24 - 2024-09-27
Academic lecture

Sørhaug, Jørgen Andre; Elkjær, Aksel Sean; Thronsen, Elisabeth; Bergh, Tina; Grong, Øystein; Vullum, Per Erik. (2024) Microstructural characterisation of Al/Cu joints welded using hybrid metal extrusion & bonding. Georgia Tech ICAA19 - International conference on Aluminium alloys , Atlanta, GA 2024-06-23 - 2024-06-27
Academic lecture

Sørhaug, Jørgen Andre; Elkjær, Aksel Sean; Thronsen, Elisabeth; Bergh, Tina; Grong, Øystein; Vullum, Per Erik. (2024) Characterisation of the microstructure in Al/Cu joints welded using hybrid metal extrusion & bonding . University of Toyama CAMRIC 2024 , Toyama, Japan 2024-11-20 - 2024-11-26
Poster

Malmer, Mika Serna; Tran, Quoc Anh; Agrawal, Meenal; Häusler, Michael; Ellingsen, Ingeborg Sellæg; Vullum, Per Erik. (2024) From Useless to Useful - Particle Engineered LPSCl for Solid-state Pouch Cells. The Electrochemical Society PRiME 2024 , Hawaii 2024-10-06 - 2024-10-11
Academic lecture

Bergh, Tina; Wenner, Sigurd; Celotto, Ambra; Sørhaug, Jørgen Andre; Soland, Hedda Christine; Nordahl, Gregory. (2024) Electrons and ions –use cases like FIB-SEM tomography and TEM lamellae. Nordic Nanolab User Meeting (NNUM) 2024-05-03 - 2024-05-04

2023

Lecture

Pacáková, Barbara; Matejdes, Marian; Kirch, Alexsandro; Miranda, Caetano Rodrigues; Thakur, Anupma; Chandran B S, Nithin. (2023) 2D world in the Softcom lab – graphene, clay and beyond. NTNU, IFE 9th Annual International Workshop on Soft and Complex Matter , Oslo, Norway 2023-09-15 - 2023-09-16
Academic lecture

Bergh, Tina; Sørhaug, Jørgen Andre; Thronsen, Elisabeth; Frøystein, Kristin; Sunde, Jonas Kristoffer; Vullum, Per Erik. (2023) In situ heating and STEM studies of the evolution of precipitates in an Al-Mg-Si-Cu alloy. INTPART Workshop , Tokyo Institute of Technology 2023-04-14 - 2023-04-15
Academic lecture

Bergh, Tina; Sørhaug, Jørgen Andre; Thronsen, Elisabeth; Frøystein, Kristin; Sunde, Jonas Kristoffer; Vullum, Per Erik. (2023) Scanning transmission electron microscopy and in situ heating reveal the development of individual nanoscale precipitates in an Al-Mg-Si-Cu alloy. EMAG MMC , Manchester 2023-07-04 - 2023-07-06
Academic lecture

Bergh, Tina; Sørhaug, Jørgen Andre; Thronsen, Elisabeth; Frøystein, Kristin; Sunde, Jonas Kristoffer; Vullum, Per Erik. (2023) Studying the evolution of individual precipitates in an Al-Mg-Si-Cu alloy by in situ heating and scanning precession electron diffraction. LightMAT , Trondheim 2023-06-21 - 2023-06-23
Poster

Pacáková, Barbara; Vullum, Per Erik; Breu, Josef; Fossum, Jon Otto. (2023) LARGE BAND GAP OF INSULATOR CLAY NANOSHEETS. European Clay Group Association Euroclay , Bari, Italy 2023-07-24 - 2023-07-27
Academic lecture

Hårberg, Sofie Brandtzæg; Hvidsten, Sverre; Lesaint, Cedric Michel; Nylund, Inger-Emma; Vullum, Per Erik; Einarsrud, Mari-Ann. (2023) STEM-EDS of Inception Sites of Vented Trees in a HV XLPE Subsea Cable. Jicable'23 , Lyon 2023-06-18 - 2023-06-22
Academic lecture

Zeiger, Caren Regine; Nylund, Inger-Emma; Peng, Ding; Vullum, Per Erik; Walker, Julian Bradley; Einarsrud, Mari-Ann. (2023) Tetragonal Tungsten Bronzes A4Bi2Nb10O30 (A=Na, K, Rb) with Bi 6s Lone Pair Display Centrosymmetry. Norsk Kjemisk Selskap NKS-FUM , Stjørdal 2023-02-13 - 2023-02-14
Poster

Sørhaug, Jørgen Andre; Korsvold, Håkon; Grong, Øystein; Vullum, Per Erik; Holmestad, Randi. (2023) Multiscale study of a HYB welded Al-Mg-Si-Cu alloy using electron backscattered diffraction and transmission electron microscopy. LightMAT , Trondheim 2023-06-21 - 2023-06-23
Poster

Sørhaug, Jørgen Andre; Thronsen, Elisabeth; Grong, Øystein; Vullum, Per Erik; Holmestad, Randi. (2023) Observation of Al-Cu interface instability in a HYB joint TEM sample during room temperature storage. Microscopy & microanalysis , Minneapolis 2023-07-23 - 2023-07-27

2022

Poster

Liu, Yu; Dagenborg, Sivert Johan Vartdal; Brzozowski, Damian; Vullum, Per Erik; Nord, Magnus; Hallsteinsen, Ingrid Gullikstad. (2022) In-situ STEM-DPC study of (111)-oriented La0.7Sr0.3MnO3 thin film: A sample preparation routine. European Materials Research Society E-MRS Fall Meeting 2022 , Warsaw 2022-09-19 - 2022-09-22
Academic lecture

Asheim, Karina; Vullum, Per Erik; Holsen, Ingrid; Wagner, Nils Peter; Renman, Viktor; Blanco, Maria Valeria. (2022) Performance of micron-sized silicon anodes and NMC cathodes in full cells with LiFSI-based electrolytes. International Society of Electrochemistry International Society of Electrochemistry, 32nd topical meeting , Stockholm 2022-06-20 - 2022-06-22
Academic lecture

Hunnestad, Kasper Aas; Hatzoglou, Constantinos; Khalid, Muhammad Zeeshan; Vullum, Per Erik; Zewu, Yan; Bourret, Edith. (2022) Atomic-Level Imaging and Quantification of Dopants in a Semiconducting Complex Oxide. Material research society MRS spring meeting 2022-05-10 -
Poster

Celotto, Ambra; Grong, Øystein; Holmestad, Randi; Sørhaug, Jørgen A; Vullum, Per Erik; Wan, Di. (2022) Unconventional use of Ga+ FIB and Xe+ Plasma-FIB for performing and investigating microscale cold-welding of dissimilar aluminium alloys. Research School TNNN 1st National Junior Scientist Research Conference in Nanoscience and Nanotechnology , Trondheim 2022-11-30 - 2022-12-02
Poster

Sørhaug, Jørgen Andre; Celotto, Ambra; Vullum, Per Erik; Holmestad, Randi. (2022) Scanning transmission electron microscopy investigations on an Al-Al joint interface made using FIB-assisted cold welding. TNNN Konferanse , Trondheim 2022-11-30 - 2022-12-02
Poster

Zeiger, Caren Regine; Nylund, Inger-Emma; Peng, Ding; Vullum, Per Erik; Walker, Julian; Einarsrud, Mari-Ann. (2022) Exploring the Role of Bismuth 6s Lone Pair in Tetragonal Tungsten Bronzes A4Bi2Nb10O30 (A=Na,K,Rb). Institute of Electrical and Electronics Engineers (IEEE) ISAF 2022 - International Symposium on Applications of Ferroelectrics , Tours (France) 2022-06-27 - 2022-07-01
Academic lecture

Bergh, Tina; Fyhn, Hursanay; Sandnes, Lise; Blindheim, Jørgen; Grong, Øystein; Holmestad, Randi. (2022) Hybrid metal extrusion & bonding for multi-material welding of aluminium alloys to copper, steel, and titanium. ICAA 18 , Toyama 2022-09-04 - 2022-09-08
Poster

Ren, Dingding; Chen, Z.; Borisov, B.; Vullum, Per Erik; Nilsen, Julie Stene; Ahtapodov, Lyubomir. (2022) Growth and Characterization of InGaN/GaN Nanowires on Graphene Glass. Int. Workshop on Nitride Semiconductors , Berlin 2022-10-09 -
Lecture

Celotto, Ambra; Grong, Øystein; Vullum, Per Erik; Wan, Di; Berto, Filippo. (2022) Microscale solid-state joining of aluminium by means of a Focused Ion Beam microscope . Italian Association of Metallurgy 39th National Conference of the Italian Association of Metallurgy , Padova 2022-09-21 - 2022-09-23
Lecture

Celotto, Ambra; Grong, Øystein; Wan, Di; Vullum, Per Erik; Holmestad, Randi; Sørhaug, Jørgen A. (2022) Cold Pressure Welding of aluminium: conventional and FIB-assisted microscale techniques. ESIS European Structural Integrity Society ECF23 European Conference on Fracture 2022 , Madeira 2022-06-27 - 2022-07-01
Lecture

Celotto, Ambra; Grong, Øystein; Holmestad, Randi; Vullum, Per Erik; Wan, Di; Sørhaug, Jørgen A. (2022) Cold bonding aluminium in a Focused Ion Beam microscope: development and qualitative in-situ assessment of the microscale technique. AGFME, GSEMM, IGF, SEIE-GEF 2nd Mediterranean Conference on Fracture and Structural Integrity (MedFract2) , Catania 2022-02-14 - 2022-02-16
Academic lecture

Mukherjee, Anjan; Ren, Dingding; Vullum, Per Erik; Huh, Junghwan; Fimland, Bjørn Ove Myking; Weman, Helge. (2022) Axial GaAs/AlGaAs Nanowire Solar Cell on Si with Ultra-High Power-per-Weight Ratio. MRS Spring Meeting III-V Semiconductors for Energy Conversion Technologies , Honolulu (remote) 2022-05-23 - 2022-05-27
Poster

Pacáková, Barbara; Vullum, Per Erik; Breu, Josef; Fossum, Jon Otto. (2022) Large band gap of insulator clay nanosheets. MRS Virtual MRS Spring meeting , Virtual 2022-05-23 - 2022-05-25
Poster

Pacáková, Barbara; Vullum, Per Erik; Breu, Josef; Fossum, Jon Otto. (2022) Large band gap of insulator clay nanosheets. American Physical Society APS March Meeting 2022 Chicago , Chicago 2022-03-14 -
Academic lecture

Behera, Aroop; Harris, Charles; Pete, Douglas; Delker, Collin; Vullum, Per Erik; Muniz, Marta B.. (2022) Charge Inhomogeneity Mediated Low-Frequency noise in Encapsulated Monolayer and Bilayer Graphene Field-Effect Transistors. American Physical Society APS March Meeting 2022 , Chicago, IL 2022-03-14 - 2022-03-18

2021

Poster

Zeiger, Caren Regine; Nylund, Inger-Emma; Peng, Ding; Vullum, Per Erik; Tsoutsouva, Maria; Walker, Julian. (2021) Synthesis and Characterisation of Lead-free Tetragonal Tungsten Bronzes A4Bi2Nb10O30 (A=K,Rb) . Norsk kjemisk selskap NKS-FUM meeting 2021 , Lillestrøm 2021-11-01 - 2021-11-02
Academic lecture

Wagner, Nils Peter; Pollen, Harald Norrud; Svensson, Ann Mari; Tolchard, Julian R; Dahl, Paul Inge; Vullum, Per Erik. (2021) Advancing Lithium Batteries:An Interdisciplinary Approach. TMS MS and T 2021 , Columbuis 2021-10-17 - 2021-10-20
Academic lecture

Nylund, Inger-Emma; Zeiger, Caren Regine; Peng, Ding; Walker, Julian; Vullum, Per Erik; Einarsrud, Mari-Ann. (2021) Structure determination of K2BiNb5O15 and Rb2BiNb5O15 by electron diffraction. NKS-FUM 2021 2021-11-01 - 2021-11-02
Lecture

Celotto, Ambra; Grong, Øystein; Holmestad, Randi; Sørhaug, Jørgen A; Torgersen, Jan; Vullum, Per Erik. (2021) Iterative development of a novel technique for in-situ cold welding of aluminium inside the Focused Ion Beam microscope. Universidade do Porto 2nd International Conference of Advanced Joining Processes , Sintra, Portugal 2021-10-21 - 2021-10-22
Poster

Hunnestad, Kasper Aas; Hatzoglou, Constantinoss; Khalid, Muhammad Zeeshan; Vullum, Per Erik; Yan, Zewu; Bourret, Edith. (2021) Detection of Individual Dopants in a Semiconducting Functional Oxide. Atom probe tomography & microcsopy 2021-09-28 -
Academic lecture

Hunnestad, Kasper Aas; Hatzoglou, Constantinoss; Khalid, Muhammad Zeeshan; Vullum, Per Erik; Zewu, Yan; Bourret, Edith. (2021) 3D analysis of dopants in a multiferroic oxide by atom probe tomography. Norwegian Nanosymposium 2021-10-05 -
Popular scientific lecture

Celotto, Ambra; Grong, Øystein; Holmestad, Randi; Sørhaug, Jørgen A; Torgersen, Jan; Vullum, Per Erik. (2021) Preliminary in situ study of FIB-assisted method for aluminium solid-state welding at the microscale. Italian Group of Fracture 26th International Conference on Fracture and Structural Integrity , Turin 2021-05-26 - 2021-05-31
Lecture

Celotto, Ambra; Grong, Øystein; Holmestad, Randi; Sørhaug, Jørgen A; Torgersen, Jan; Vullum, Per Erik. (2021) Preliminary in situ study of FIB-assisted method for aluminium solid-state welding at the microscale . Italian Group of Fracture 26th International Conference on Fracture and Structural Integrity , Turin&Web https://www.youtube.com/watch?v=2t_r-BaWwUM&t=4s 2021-05-26 - 2021-05-31

2020

Academic lecture

Nylund, Inger-Emma; Ræder, Trygve Magnus; Vullum, Per Erik; Grande, Tor. (2020) Orientation dependent interfaces between SrTiO3 substrates and BaTiO3 thin films. 7th National Meeting on Inorganic and Materials Chemistry 2020-02-13 - 2020-02-14
Academic lecture

Nylund, Inger-Emma; Ræder, Trygve Magnus; Vullum, Per Erik; Grande, Tor. (2020) Transmission electron microscopy of interfaces between SrTiO3 substrates and BaTiO3 thin films with different crystallographic orientations. Royal Microscopical Society Virtual Early Career European Microscopy Congress 2020 , Online 2020-11-24 - 2020-11-26

2019

Poster

Asheim, Karina; Wagner, Nils Peter; Andersen, Hanne Flåten; Vullum, Per Erik; Mæhlen, Jan Petter; Svensson, Ann Mari. (2019) LiFSI as Electrolyte Salt for Li-Ion Batteries with Silicon Anodes and NMC Cathodes. International Battery Association Conference International Battery Association Conference , San Diego 2019-03-02 - 2019-03-06
Poster

Asheim, Karina; Wagner, Nils Peter; Vullum, Per Erik; Andersen, Hanne Flåten; Mæhlen, Jan Petter; Svensson, Ann Mari. (2019) LIFSI AS ELECTROLYTE SALT FOR SILICON ANODES AND NMC CATHODES. Danish Battery Society Nordic Battery Workshop , København 2019-09-25 - 2019-09-27
Academic lecture

Guo, Xiaoyang; Vanhaecke, Estelle Marie M.; Vullum, Per Erik; Ma, Jianyu; Gunawardana, Daham; Walmsley, John. (2019) The initial stage of Metal Dusting Corrosion of Inconel 601 – effects of exposure conditions and near-surface structure and composition. 12th Natural Gas Conversion Symposium - NGCS12 , San Antonio, Texas 2019-06-02 - 2019-06-06
Poster

Bergh, Tina; Sandnes, Lise; Mathiasson, Marie; Johnstone, Duncan; Midgley, Paul A.; Berto, Filippo. (2019) Interface Microstructural Characterisation of Hybrid Metal Extrusion & Bonding Aluminium-Steel Joints. EMAG MMC 2019-07-01 - 2019-07-04
Academic lecture

Svensson, Ann Mari; Augustin, Matthias; Vullum, Per Erik; Vullum-Bruer, Fride. (2019) APROTIC Li/O2 BATTERIES: REACTIONS AND PRODUCTS IN DIFFERENT ELECTROLYTES. The Materials, Minerals and Metals Society TMS 2019 , San Antonio, USA 2019-03-10 - 2019-03-14
Poster

Augustin, Matthias; Vullum, Per Erik; Vullum-Bruer, Fride; Svensson, Ann Mari. (2019) Aprotic Li/O2 batteries: Effect of electrolyte composition on products. International Battery Association Conference IBA 2019 , San Diego 2019-03-03 - 2019-03-08
Poster

Vatanparast, Maryam; Undheim, Espen; Vullum, Per Erik; Fimland, Bjørn-Ove; Reenaas, Turid Dory; Holmestad, Randi. (2019) Advanced TEM Studies of High Efficiency Quantum Dot Intermediate Band Solar Cells . UiO Fysikkermøte 2019 , Oslo 2019-08-08 - 2019-08-09
Lecture

Nylund, Inger-Emma; Ræder, Trygve Magnus; Vullum, Per Erik; Grande, Tor. (2019) Chemically Synthesized BaTiO3 - A Transmission Electron Microscopy Study. Joint ISAF-ICE-EMF-IWPM-PFM meeting 2019 2019-07-14 - 2019-07-19
Lecture

Evans, Donald; Holstad, Theodor S.; Mosberg, Aleksander Buseth; Vullum, Per Erik; Småbråten, Didrik Rene; Yan, Z. (2019) Tuning functionality at the nanoscale. DPG DPG2019 , Regensburg 2019-03-30 - 2019-04-05
Poster

Ulvestad, Asbjørn; Foss, Carl Erik Lie; Komma, Miriam; Vullum, Per Erik; Voje, Jorunn; Mæhlen, Jan Petter. (2019) Degradation Phenomena in Silicon-Carbon Composite Anodes from Industrial Battery Grade Silicon . DTU/Haldor Topsøe Nordbatt 2019 , Lyngby 2019-09-25 - 2019-09-27
Poster

Ulvestad, Asbjørn; Foss, Carl Erik Lie; Andersen, Hanne Flåten; Vullum, Per Erik; Voje, Jorunn; Mæhlen, Jan Petter. (2019) Degradation Phenomena in Silicon-Carbon Composite Anodes from Industrial Battery Grade Silicon. Electrochemical Society UC San Diego International Battery Association 2019 , La Jolla 2019-03-03 - 2019-03-08
Academic lecture

Arbo, Siri Marthe; Bergh, Tina; Khalid, Muhammad Zeeshan; Holmedal, Bjørn; Vullum, Per Erik; Westermann, Ida. (2019) Joining of Aluminium and Steel – from macro to nano – Experiments and Modelling. Univ. of Toyama 5th Forum of Center for Advanced Materials Research and International Collaboration (CAMRIC-FORUM5), University of TOYAMA , Toyama 2019-10-03 - 2019-10-04
Poster

Nylund, Inger-Emma; Ræder, Trygve Magnus; Vullum, Per Erik; Grande, Tor. (2019) Orientation dependent interfaces between SrTiO3 substrates and BaTiO3 thin films. Norwegian NanoSymposium 2019-10-16 - 2019-10-17
Poster

Wagner, Nils Peter; Tolchard, Julian R; Tron, Artur; Pollen, Harald Norrud; Gaertner, Heiko; Vullum, Per Erik. (2019) Improved cyclability of Nickel rich layered oxides. Materials Research Society 2019 MRS Fall Meeting , Boston 2019-12-01 - 2019-12-06
Poster

Ringdalen, Inga Gudem; Eliassen, Simen Nut Hansen; Tsoutsouva, Maria; Vullum, Per Erik; Adamczyk, Krzysztof; Stokkan, Gaute. (2019) Modelling of an electrically active Σ9{110} grain boundary. IFE Norwegian Solar Cell Conference , Son 2019-05-20 - 2019-05-21
Academic lecture

Belle, Branson; Kutty, Maya N.; Dahl, Øystein; Ali, Ayaz; Muniz, Marta B.; Vullum, Per Erik. (2019) Assembly of Van der Waals Heterostructures for high performance devices. Norwegian NanoSymposium , Trondheim 2019-10-16 - 2019-10-17
Academic lecture

Liudi Mulyo, Andreas; Rajpalke, Mohana; Vullum, Per Erik; Weman, Helge; Kishino, Katsumi; Fimland, Bjørn-Ove. (2019) The influence of AlN buffer layer on the growth of self-assembled GaN nanocolumns on graphene. Nanowire week , Pisa 2019-09-23 - 2019-09-27

2018

Academic lecture

Bergh, Tina; Aune, Ragnhild; Lervik, Adrian; Holmestad, Randi; Vullum, Per Erik. (2018) The Interface between Aluminium and Steel Joined by Cold Metal Transfer - A Transmission Electron Microscopy Study. 8th Aluminium Surface Science & Technology Symposium , Helsingør 2018-05-27 - 2018-05-31
Poster

Bergh, Tina; Arbo, Siri Marthe; Westermann, Ida; Holmestad, Randi; Vullum, Per Erik. (2018) The Interface between Aluminium and Steel Joined by Cold Roll Bonding and by Hybrid Metal Extrusion and Bonding. 19th International Microscopy Congress , Sydney 2018-09-09 - 2018-09-14
Academic lecture

Van Helvoort, Antonius; Wenner, Sigurd; Sunde, Jonas Kristoffer; Fauske, Vidar Tonaas; Vullum, Per Erik; Holmestad, Randi. (2018) Value of multidimensional data analysis. IFY-TEM group 5th ARM user meeting , Trondheim 2018-06-14 - 2018-06-15
Academic lecture

Høiaas, Ida Marie; Liudi Mulyo, Andreas; Vullum, Per Erik; Ahtapodov, Lyubomir; KIM, DONG CHUL; Fimland, Bjørn-Ove. (2018) Using graphene as substrate and transparent electrode in an GaN/AlGaN nanocolumn flip-chip UV LED. Nanowire Week , Hamilton 2018-06-11 - 2018-06-15
Poster

Høiaas, Ida Marie; Liudi Mulyo, Andreas; Vullum, Per Erik; Ahtapodov, Lyubomir; KIM, DONG CHUL; Fimland, Bjørn-Ove. (2018) GaN/AlGaN nanocolumn UV LED using graphene as substrate and transparent electrode. Int. Workshop on Nitride Semiconductors , Kanazawa 2018-11-11 - 2018-11-16
Poster

Liudi Mulyo, Andreas; Rajpalke, Mohana Krishnappa; Kuroe, Haruhiko; Vullum, Per Erik; Weman, Helge; Fimland, Bjørn-Ove. (2018) Growth and characterization of GaN nanocolumns grown on graphene using a thin AlN buffer layer. International Workshop on Nitride Semiconductors (IWN2018) , Kanazawa 2018-11-11 - 2018-11-16
Poster

Munshi, Abdul Mazid; KIM, DONG CHUL; Heimdal, Carl Philip J; Heilmann, Martin; Christiansen, Silke; Vullum, Per Erik. (2018) Positioned-controlled growth of AlGaN nanopyramid arrays on graphene by metal-organic vapor phase epitaxy. Int. Workshop on Nitride Semiconductors , Kanazawa 2018-11-11 - 2018-11-16
Academic lecture

Evans, Donald; Holstad, Theodor S.; Mosberg, Aleksander Buseth; Vullum, Per Erik; Småbråten, Didrik Rene; Yan, Z. (2018) Writing wires by nanoscale control of defect structure. NTNU NanoLab NTNU Nano Symposium , Trondheim 2018-11-28 - 2018-11-29
Academic lecture

Evans, Donald; Holstad, Theodor S.; Mosberg, Aleksander Buseth; Vullum, Per Erik; Yan, Zewu; Småbråten, Didrik Rene. (2018) Controlling conductivity at the nanoscale. Deutsche Physikalische Gesellschaft 2018-03-11 - 2018-03-16
Academic lecture

Digernes, Einar; Leliaert, Jonathan; Vullum, Per Erik; Van Waeyenberge, Bartel; Folven, Erik. (2018) Filming sub-ns magnetization dynamics in a spintronic device. Timini International Nanoscience Student Conference , Trondheim 2018-08-07 - 2018-08-10
Academic lecture

Digernes, Einar; Leliaert, Jonathan; Vullum, Per Erik; Van Waeyenberge, Bartel; Folven, Erik. (2018) Fabrication of Soft X-ray Transparent Lamellas of Epitaxial Complex Oxide Micromagnets. 44th International Conference on Micro & Nano Engineering , København 2018-09-24 - 2018-09-27
Academic lecture

Digernes, Einar; Leliaert, Jonathan; Vullum, Per Erik; Van Waeyenberge, Bartel; Folven, Erik. (2018) Probing domain dynamics in complex oxide micromagnets using scanning transmission x-ray microscopy. 9th Joint European Magnetic Symposia (JEMS) Conference , Mainz 2018-09-03 - 2018-09-07
Academic lecture

Van Helvoort, Antonius; Wenner, Sigurd; Sunde, Jonas Kristoffer; Fauske, Vidar Tonaas; Vullum, Per Erik; Holmestad, Randi. (2018) Low-dimensional nanomaterials and transmission electron microscopy (TEM): How low can we go?. IFE NNSP meeting Low-dimensional structures , Kjeller 2018-05-14 - 2018-05-15
Poster

Vatanparast, Maryam; Vullum, Per Erik; Fimland, Bjørn-Ove; Reenaas, Turid Dory; Holmestad, Randi. (2018) Bandgap Measurements of High Refractive Index Semiconductor Materials by EELS. MRS Material Research Society Spring Meeting (MRS) , Phoenix, AZ 2018-06-02 - 2019-06-06
Lecture

Svensson, Ann Mari; Augustin, Matthias; Vullum, Per Erik; Thuv, Heidi; Vullum-Bruer, Fride. (2018) Strategies for improved performance of Li-air batteries. Ångstrøm labben, Uppsala University Seminar, Uppsala University , Uppsala 2018-10-29 - 2018-10-29
Lecture

Digernes, Einar; Leliaert, Jonathan; Vullum, Per Erik; Van Waeyenberge, Bartel; Folven, Erik. (2018) Imaging vortex gyration in complex oxide micromagnets with sub-nanosecond time resolution. Norwegian PhD Network on Nanotechnology for Microsystems 9th Annual Workshop of the Norwegian PhD Network on Nanotechnology for Microsystems , Tjøme 2018-06-11 - 2018-06-13
Poster

Andersen, Hanne Flåten; Vullum, Per Erik; Ulvestad, Asbjørn; Voje, Jorunn; Mæhlen, Jan Petter. (2018) Degradation Phenomena in Silicon-Carbon Composite Anodes from Industrial Battery Grade Silicon. International Meeting on Lithium Ion Batteries (IMLB) 2018 , Kyoto 2018-06-18 - 2018-06-22
Academic lecture

Ratvik, Arne Petter; Saai, Afaf; Wang, Zhaohui; Pezzotta, Micol; Friis, Jesper; Vullum, Per Erik. (2018) Multi-scale Modelling of Titanium Diboride Degradation Using Crystal Elasticity Model and Density Functional Theory. TMS TMS Light Metals 2018 , Phoenix, Arizona 2018-03-11 - 2018-03-15

2017

Poster

Bergh, Tina; Holmestad, Randi; Vullum, Per Erik. (2017) Scanning Precession Electron Diffraction for Phase Mapping of Intermetallic Compounds. Quantitative Electron Microscopy 2017 4th edition 2017-05-22 - 2017-06-01
Academic lecture

Johannessen, Karen Cecilie; McLoughlin, Nicola; Vullum, Per Erik; Thorseth, Ingunn Hindenes. (2017) Biogenicity of Fe-oxyhydroxide filaments in silicified low-temperature hydrothermal deposits. Goldschmidt , Paris 2017-08-13 - 2017-08-18
Poster

Augustin, Matthias; Vullum, Per Erik; Svensson, Ann Mari; Vullum-Bruer, Fride. (2017) Reaction products in aprotic Li/O2 batteries. International Battery Association International Battery Association Conference 2017 , Nara 2017-03-05 - 2017-03-10
Poster

Rajpalke, Mohana; Patra, Saroj Kumar; Vatanparast, Maryam; Dahl, Øystein; Vullum, Per Erik; Holmestad, Randi. (2017) InAs/(Al)GaAs quantum-dot-based intermediate band solar cells. Nano Network Nano Network Workshop 2017 , Bergen 2017-06-12 - 2017-06-14
Academic lecture

Nord, Magnus Kristofer; Vullum, Per Erik; MacLaren, Ian; Tybell, Per Thomas Martin; Holmestad, Randi. (2017) Atomap - Automated Analysis of Atomic Resolution STEM Images. Microscpy Society of America Microscopy and Microanalysis 2017 , St Louis 2017-08-06 - 2017-08-10
Poster

Vatanparast, Maryam; Vullum, Per Erik; Nord, Magnus Kristofer; Zuo, Jian Min; Reenaas, Turid Worren; Holmestad, Randi. (2017) Strategy for reliable strain measurement in InAs/GaAs materials from high-resolution Z-contrast STEM images. Royal Microscopy Society MMC conference , Manchester 2017-07-02 - 2017-07-06
Lecture

Vatanparast, Maryam; Vullum, Per Erik; Nord, Magnus Kristofer; Reenaas, Turid Worren; Holmestad, Randi. (2017) Methodology to Improve Strain Measurement in III–V Semiconductors Materials. MSA M&M conference , St. Louis 2017-08-05 - 2017-08-11
Lecture

Vullum, Per Erik; Wenner, Sigurd; Fauske, vidar T.; Van Helvoort, Antonius; Holmestad, Randi. (2017) High performance imaging and spectroscopy without beam damage. Rouen University /JEOL Germany High performance imaging and spectroscopy without beam damage , Rouen 2017-06-20 - 2017-06-21
Academic lecture

Van Helvoort, Antonius; Vullum, Per Erik; Wenner, Sigurd; Sunde, Jonas Kristoffer; Fauske, vidar T.; Holmestad, Randi. (2017) Transmission electron microscopy (TEM): What more to see?. NFS NFS Fysikermøtet , Tromsø 2017-08-07 - 2017-08-09
Poster

Digernes, Einar; Leliaert, Jonathan; Vullum, Per Erik; Van Waeyenberge, Bartel; Folven, Erik. (2017) Probing the Spin Dynamics in Epitaxial Micromagnets using Scanning Transmission X-ray Microscopy. 62nd Annual Conference on Magnetism and Magnetic Materials , Pittsburgh 2017-11-06 - 2017-11-10
Academic lecture

Digernes, Einar; Leliaert, Jonathan; Vullum, Per Erik; Van Waeyenberge, Bartel; Folven, Erik. (2017) Probing domain dynamics in epitaxial micromagnets with sub-nanosecond resolution. Nano@NTNU Nano@NTNU Symposium , Trondheim 2017-12-06 - 2017-12-07
Academic lecture

Dahl, Paul Inge; Rausseo, Luis César Colmenares; Barnett, Alejandro; Hanetho, Sidsel Meli; Svenum, Ingeborg-Helene; Tolchard, Julian R. (2017) One-step flame synthesis of cathode catalyst nanoparticles supported on stable oxide material – example of Pt on ATO. CNRS European Fuel Cell Car Workshop , Orleans 2017-03-01 - 2017-03-03
Poster

El-Kharbachi, Abdelouahab; Hu, Yang; Sørby, Magnus Helgerud; Vullum, Per Erik; Mæhlen, Jan Petter; Fjellvåg, Helmer. (2017) Mechanistic Properties of MgH2–Based Anode As Derived from Structural Morphology Changes Versus Electrochemical Impedance in a Li-Ion Cell. The Electrochemical Society 232nd ECS meeting , National Harbor (MD) 2017-10-01 - 2017-10-05
Poster

Augustin, Matthias; Vullum, Per Erik; Svensson, Ann Mari; Vullum-Bruer, Fride. (2017) The influence of electrolytes on discharge products in aprotic Li/O2 batteries. Oulu University Nordic Battery Conference 2017 , Kokkola 2017-11-01 - 2017-11-03
Poster

Thuv, Heidi; Augustin, Matthias; Vullum, Per Erik; Vullum-Bruer, Fride; Svensson, Ann Mari. (2017) IMPROVED CYCLABILITY OF Li METAL ELECTRODES FOR Li-O2 BATTERIES WITH ADDITION OF LiNO3. Oulu University Nordic Battery Conference 2017 , Kokkola 2017-11-01 - 2017-11-03
Interview

Feilberg, Pernille; Vullum, Per Erik; Vullum-Bruer, Fride. (2017) Super Microscopes Help Make Greener Batteries. iconnect007.com iconnect007.com [Internet] 2017-04-11
Interview

Vullum-Bruer, Fride; Vullum, Per Erik; Feilberg, Pernille. (2017) Supermikroskoper bidrar til grønt batteriskifte. Energiteknikk.net Energiteknikk.net [Internet] 2017-02-14
Academic lecture

Vullum-Bruer, Fride; Wang, Lu; Asheim, Karina; Svensson, Ann Mari; Jiang, Bo; Vullum, Per Erik. (2017) On intercalation and pseudocapacitance in Mg-ion battery electrodes. International Conference on Solid State Ionics , Padova 2017-06-18 - 2017-06-23
Academic lecture

Dahl, Paul Inge; Rausseo, Luis César Colmenares; Barnett, Alejandro; Hanetho, Sidsel Meli; Svenum, Ingeborg-Helene; Tolchard, Julian R. (2017) Supported catalyst particles for PEM fuel cells by one-step flame synthesis. SINTEF EERA AMPEA Workshop , Oslo 2017-02-06 - 2017-02-07

2016

Academic lecture

Hallsteinsen, Ingrid; Moreau, Magnus; Grutter, Alexander; Nord, Magnus Kristofer; Vullum, Per Erik; Gilbert, Dustin A.. (2016) Effect of structural reconstructions at the interface of (111)-oriented La0.7Sr0.3MnO3/LaFeO3. Material Research Society Material Research Society Fall Meeting , Boston 2016-11-27 - 2016-12-02
Academic lecture

Hallsteinsen, Ingrid; Moreau, Magnus; Grutter, Alexander; Nord, Magnus Kristofer; Vullum, Per Erik; Gilbert, Dustin A.. (2016) Induced ferromagnetism at the interface of complex oxides. Advanced Light Source Advanced Light Source user meeting , Berkeley 2016-10-03 - 2016-10-04
Academic lecture

Dahl, Paul Inge; Rausseo, Luis César Colmenares; Barnett, Alejandro; Vullum, Per Erik; Mokkelbost, Tommy. (2016) Pt catalyst supported on tin oxides by flame spray pyrolysis for PEM fuel cells. MRS Fall Meeting 2016, Boston 29/11/2016 2016-11-27 - 2016-12-03
Academic lecture

Dahl, Paul Inge; Rausseo, Luis César Colmenares; Barnett, Alejandro; Lomas, Scott; Hanetho, Sidsel Meli; Kvello, Jannicke Hatlø. (2016) FLAME SPRAY PYROLYSIS OF NANOSTRUCTURED MATERIALS, Supported Pt cathode catalysts for PEM fuel cells. NTNU, SINTEF International workshop Nano2021 FOXCET , Trondheim 2016-11-24 - 2016-11-25
Poster

Thorseth, Ingunn Hindenes; Johannessen, Karen Cecilie; Vullum, Per Erik; McLoughlin, Nicola. (2016) Focused ion beam-transmission electron microscopy of extracellular stalks produced by iron-oxidizing bacteria. SCANDEM 2016 2016-06-07 - 2016-06-10
Poster

Vullum, Per Erik; Johannessen, Karen Cecilie. (2016) Electron Energy Loss Spectroscopy to determine electronic properties in solid materials. SCANDEM 2016 2016-06-07 - 2016-06-10
Academic lecture

Holmestad, Randi; Wenner, Sigurd; Marioara, Calin Daniel; Mørtsell, Eva Anne; Vullum, Per Erik; Andersen, Sigmund Jarle. (2016) 6xxx aluminium alloy development - aided by the double corrected ARM200CF. JEOL UK ARM Group User meeting , Glasgow University 2016-06-14 - 2016-06-15

2015

Academic lecture

Holmestad, Randi; Wenner, Sigurd; Nord, Magnus Kristofer; Mørtsell, Eva Anne; Vullum, Per Erik; Marioara, Calin Daniel. (2015) Materials development aided by atomic-resolution electron microscopy. American Microscopy Society Microscopy & Microanalysis 2015 Meeting , Portland, Oregon 2015-08-02 - 2015-08-06
Lecture

Holmestad, Randi; Van Helvoort, Antonius; Vullum, Per Erik; Sæterli, Ragnhild; Soleim, Bjørn Gunnar; Walmsley, John. (2015) NORTEM ‐ the national infrastructure for Transmission Electron Microscopy. NTNU NanoLab Nano-MatchMaking Seminar , Trondheim 2015-06-02 - 2015-06-02
Poster

Nord, Magnus Kristofer; Hallsteinsen, Ingrid; Vullum, Per Erik; Tybell, Per Thomas Martin; Holmestad, Randi. (2015) Analysing the electronic structure of perovskite oxides using Transmission Electron Microscopy. Nano network seminar , Oslo 2015-06-15 - 2015-06-15
Poster

Nord, Magnus Kristofer; Hallsteinsen, Ingrid; Vullum, Per Erik; Tybell, Per Thomas Martin; Holmestad, Randi. (2015) Advanced quantitative fine structure analyzes of perovskite oxides using electron energy loss spectroscopy. IOP MMC/EMAG2015 , Manchester 2015-06-29 - 2015-07-02
Academic lecture

Holmestad, Randi; Van Helvoort, Antonius; Vullum, Per Erik; Wenner, Sigurd; Nord, Magnus Kristofer; Fauske, Vidar Tonaas. (2015) Instrumentation and activity at the Trondheim NORTEM –node (NTNU). NORTEM NORTEMopening seminar , Oslo 2015-09-10 - 2015-09-11
Poster

Mokkelbost, Tommy; Fossdal, Anita; Jayasayee, Kaushik; Tolchard, Julian R; Vullum, Per Erik; Wagner, Nils Peter. (2015) Study of Li2Fe1-XMnxSiO4 Cathode Materials Synthesized Using Abundant Materials By Conventional Methods. NTNU and SINTEF Nordic Battery Conference , Trondheim 2015-12-02 - 2015-12-03
Academic lecture

Hallsteinsen, Ingrid; Olsen, Fredrik Kjemperud; Nord, Magnus Kristofer; Moreau, Magnus; Vullum, Per Erik; Holmestad, Randi. (2015) The effect of oxygen octahedral coupling in (111)-oriented LSMO and LFO epitaxial heterostructures on STO(111). European Materials Research Society (E-MRS) European Materials Research Society (E-MRS) spring meeting , Lille 2015-05-11 - 2015-05-15
Academic lecture

Dahl, Paul Inge; Thomassen, Magnus Skinlo; Rausseo, Luis César Colmenares; Barnet, Alejandro; Vullum, Per Erik; Hanetho, Sidsel Meli. (2015) Tailoring of Electrode Materials by Flame Spray Pyrolysis. NTNU 5th national meeting on inorganic and materials chemistry , Hell 2015-10-15 - 2015-10-16
Poster

Christiansen, Emil; Nord, Magnus Kristofer; Hallsteinsen, Ingrid; Vullum, Per Erik; Tybell, Per Thomas Martin; Holmestad, Randi. (2015) Structural investigation of epitaxial LaFeO_3 thin films on (111) oriented SrTiO_3 by transmission electron microscopy. Electron Microscopy and Analysis Group EMAG , Manchester 2015-06-29 - 2015-07-02
Poster

Nematollahi, Mohammadreza; Yang, Xiaodong; Seim, Eivind; Vullum, Per Erik; Holmestad, Randi; Gibson, Ursula. (2015) Highly Cr-doped ZnS for intermediate band solar cells. 17th International Conference on II-VI Compounds and Related Materials , Paris 2015-09-13 - 2015-09-18
Poster

Hallsteinsen, Ingrid; Nord, Magnus Kristofer; Moreau, Magnus; Grutter, Alexander; Olsen, Fredrik Kjemperud; Bolstad, Torstein. (2015) Emerging Magnetism at the Interface of (111)-Oriented Epitaxial Ferromagnetic La0.7Sr0.3MnO3 and Antiferromagnetic LaFeO3. Materials Research Society Materials Research Society Fall Meeting , Boston 2015-11-29 - 2015-12-04
Academic lecture

Wagner, Nils Peter; Mokkelbost, Tommy; Fossdal, Anita; Jayasayee, Kaushik; Hanetho, Sidsel Meli; Tolchard, Julian R. (2015) Lithium Transition-metal Orthosilicates by Scalable and Inexpensive Synthesis Methods as Positive Electrode for Li-Ion Batteries. NTNU/SINTEF 2nd Nordic Battery Conference , Trondheim 2015-12-02 - 2015-12-03
Poster

Mokkelbost, Tommy; Fossdal, Anita; Jayasayee, Kaushik; Tolchard, Julian R; Vullum, Per Erik; Wagner, Nils Peter. (2015) Study of Li2Fe1-XMnxSiO4 Cathode Materials Synthesized Using Abundant Materials By Conventional Methods. Electrochemical Society 227th ECS Meeting , Chicago 2015-05-24 - 2015-05-28
Academic lecture

Holmestad, Randi; Van Helvoort, Antonius; Marioara, Calin Daniel; Vullum, Per Erik; Bjørge, Ruben; Wenner, Sigurd. (2015) Results from the first double corrected coldFEG TEM/STEM in Scandinavia. Scandem Scandem2015 , Jyvaskyla 2015-06-09 - 2015-06-11

2014

Lecture

Pedersen, Leif-Erik Rydland; McLoughlin, Nicola; Vullum, Per Erik; Thorseth, Ingunn Hindenes. (2014) A FIB-TEM study of alteration textures in altered seafloor pillow basalt. The Centre for Geobiology and the Nordic Network of Astrobio Biosignatures across Space and Time , Student senteret 2014-05-20 - 2014-05-22
Academic lecture

Pedersen, Leif-Erik Rydland; McLoughlin, Nicola; Vullum, Per Erik; Thorseth, Ingunn Hindenes. (2014) Geochemical constraints on alteration textures in the upper oceanic crust. GLOMAR, MARUM, and BCR ECORD Summer School 2014: "Subseafloor Biosphere: Current Advances and Future Challenges" , University of Bremen 2014-09-22 - 2014-10-02
Poster

Hallsteinsen, Ingrid; Folven, Erik; Grepstad, Jostein; Holmestad, Randi; Nord, Magnus Kristofer; Tybell, Thomas. (2014) Magnetic properties and exchange mechanisms in epitaxial (111)-oriented magnetic heterostructures. Material Research Society Material Research Society - Spring meeting 2014 , San Francisco 2014-04-21 - 2014-04-25
Poster

Dahl, Paul Inge; Thomassen, Magnus Skinlo; Colmenares, Luis C.; Barnett, Alejandro O.; Lomas, Scott; Vullum, Per Erik. (2014) Flame Spray Pyrolysis of Electrode Materials for Energy Applications. Materials Research Society MRS 2014 Fall Meeting , Boston 2014-11-30 - 2014-12-05
Poster

Espen, Undheim; Maryam, Vatanparast; Vullum, Per Erik; Reenaas, Turid Worren; Holmestad, Randi. (2014) TEM studies of quantum dots for intermediate band solar cells. Annual Conference of the Nordic Microscopy Society 2014-06-10 - 2014-06-14
Academic lecture

Nord, Magnus Kristofer; Vullum, Per Erik; Hallsteinsen, Ingrid; Boschker, Jos Emiel; Holmestad, Randi; Tybell, Thomas. (2014) Comparison of (001) and (111) La0.7Sr0.3MnO3/SrTiO3 interface using TEM. Nano Network workshop 5th annual workshop 2014-06-16 - 2014-06-18
Academic lecture

Nord, Magnus Kristofer; Boschker, Jos Emiel; Moreau, Magnus; Vullum, Per Erik; Selbach, Sverre Magnus; Tybell, Thomas. (2014) Structural and electronic characterization of altered structure at the La0.7Sr0.3MnO3/SrTiO3 heteroepitaxial interface. Materials Research Society 2014 MRS Spring Meeting & Exhibit , San Francisco, California 2014-04-21 - 2014-04-25

2013

Academic lecture

Holmestad, Randi; Walmsley, John; Soleim, Bjørn Gunnar; Vullum, Per Erik; Van Helvoort, Antonius. (2013) NORTEM - new possibilities for atomic scale structure characterization. NTNU Nanolab 8th Nanolab usermeeting , Trondheim 2013-11-12 - 2013-11-12
Academic lecture

Torsæter, Malin; Opedal, Nils van der Tuuk; Vrålstad, Torbjørn; Vullum, Per Erik. (2013) SPE 164105 A Visual Journey into the 3D Chemical Nanostructure of Oilwell Cement. SPE International Symposium on Oilfield Chemistry , Texas 2013-04-08 - 2013-04-10
Academic lecture

Nord, Magnus Kristofer; Boschker, Jos Emiel; Vullum, Per Erik; Tybell, Thomas; Holmestad, Randi. (2013) Study of electronic reconstruction in La0.7Sr0.3MnO3/SrTiO3 thin film interface using Transmission Electron Microscopy. 4th annual workshop arranged by the Norwegian PhD Network on Nanotechnology for Microsystems 2013-06-17 - 2013-06-19
Academic lecture

Hallsteinsen, Ingrid; Folven, Erik; Chopdekar, Rajesh V.; Nord, Magnus Kristofer; Christiansen, Emil; Vullum, Per Erik. (2013) Magnetic switching of epitaxial (111)-oriented La0.7Sr0.3MnO3 /SrTiO3 thin films. 8th NTNU NanoLab symposium 2013-11-12 - 2013-11-12
Academic lecture

Vullum-Bruer, Fride; Zhou, Haitao; Lou, Fengliu; Vullum, Per Erik; Einarsrud, Mari-Ann; Chen, De. (2013) SYNTHESIS AND CHARACTERIZATION OF NANOSTRUCTURED Li2Fe1+x SiO4/C COMPOSITES. Uppsala Universitet Nordic Battery Conference , Uppsala 2013-12-04 - 2013-12-05

2012

Academic lecture

Granlund, Håvard; Fløystad, Jostein Bø; Esmaeili, Morteza; Bakken, Eirik Torbjørn; Vullum, Per Erik; Andreassen, Erik. (2012) Mapping Structural Gradients in Injection-Molded Polypropylene. Norwegian Synchrotron and Neutron User Meeting 2012 , Sola, Rogaland 2012-01-30 - 2012-01-31
Academic lecture

Torsæter, Malin; Vullum, Per Erik; Nes, Olav Magnar; Rinna, Joachim. (2012) Nanostructure vs. Macroscopic Properties of Mancos Shale. SPE-Paper oktober 2012. SPE The SPE Canadian Unconventional Resources Conference , Calgary, Alberta. 2012-10-30 - 2012-11-01
Academic lecture

Hallsteinsen, Ingrid; Boschker, Jos Emiel; Nord, Magnus Kristofer; Lee, S; Rzchowski, M; Vullum, Per Erik. (2012) Controlled surfaces of epitaxial (111)-oriented perovskite thin films. STINT STINT Workshop on Oxide and Interface Magnetism , Trondheim 2012-12-05 - 2012-12-06
Academic lecture

Hallsteinsen, Ingrid; Boschker, Jos Emiel; Nord, Magnus Kristofer; Lee, S; Rzchowski, M; Vullum, Per Erik. (2012) Film growth of (111)-oriented perovskite systems. NTNU Nano-lab 7th annual Nanolab meeting , Trondheim 2012-12-12 -
Academic lecture

Hallsteinsen, Ingrid; Boschker, Jos Emiel; Nord, Magnus Kristofer; Lee, S; Rzchowski, M; Vullum, Per Erik. (2012) Surface stability of epitaxial La0.7Sr0.3MnO3 thin films on (111)-oriented SrTiO3. Material Research Society Material Research Society - Fall meeting 2012 , Boston 2012-11-25 - 2012-11-30
Academic lecture

Torsæter, Malin; Vullum, Per Erik; Nes, Olav Magnar; Rinna, Joachim. (2012) SPE 162737 Nanostructure vs Macroscopic Properties of Mancos Shale. SPE Canadian Unconvential Roesources Conference , Calgary 2012-10-30 - 2012-11-01
Poster

Nord, Magnus Kristofer; Boschker, Jos Emiel; Vullum, Per Erik; Tybell, Thomas; Holmestad, Randi. (2012) Transmission Electron Microscopy characterization of La0.7Sr0.3MnO3/SrTiO3 ferroelastic thin films. 2012 MRS Fall Meeting & Exhibit 2012-11-25 - 2012-11-30
Poster

Nord, Magnus Kristofer; Boschker, Jos Emiel; Vullum, Per Erik; Tybell, Thomas; Holmestad, Randi. (2012) Transmission Electron Microscopy characterization of La0.7Sr0.3MnO3/SrTiO3 ferroelastic thin films. Nordic Microscopy Society scandem 2012 2012-06-13 - 2012-06-15
Poster

Nord, Magnus Kristofer; Boschker, Jos Emiel; Vullum, Per Erik; Tybell, Thomas; Holmestad, Randi. (2012) Domain Relaxation in La0.7Sr0.3MnO3/SrTiO3 Thin Films due to Declamping. Microscopy & Microanalysis 2012 Meeting 2012-07-29 - 2012-08-02
Poster

Nord, Magnus Kristofer; Boschker, Jos Emiel; Vullum, Per Erik; Tybell, Thomas; Holmestad, Randi. (2012) Transmission Electron Microscopy characterization of La0.7Sr0.3MnO3/SrTiO3 ferroelastic thin films. NanoNetwork 3rd annual workshop 2012-06-11 - 2012-06-13

2011

Poster

Mokkelbost, Tommy; Fossdal, Anita; Dahl, Øystein; Martinez, Ana Maria Cuellar; Sheridan, Edel; Thomassen, Magnus Skinlo. (2011) Preparation of Silicon Nanostructures for Lithium Ion Battery Anodes. 219th ECS Meeting 2011-05-01 - 2011-05-06
Academic lecture

Cabrera, Enrique; Olibet, Sara; Glatz-Reichenbach, Joachim; Rudolph, Dominik; Kopecek, Radovan; Reinke, Daniel. (2011) Influence of surface topography, defects and their nature on the contact formation in thick film Ag metallization. Metallization Workshop , Charleroi 2011-10-26 -

2010

Poster

Weigand, Christian Carl; Grepstad, Jostein; Bergren, Matt; Weman, Helge; Furtak, Tom; Collins, Reuben. (2010) ZnO nanostructures grown by pulsed laser deposition. Norwegian PhD Network on Nanotechnology for Microsystems 1st Annual Workshop of the Norwegian PhD Network on Nanotechnology for Microsystems , Tønsberg 2010-05-31 - 2010-06-02
Academic lecture

Walmsley, John C; Dehghan-Niri, Roya; Vullum, Per Erik; Holmestad, Randi; Rønning, Magnus; Holmen, Anders. (2010) TEM analysis of catalyst and energy storage materials. Fritz-Haber-Institute of Max-Planck Society International Symposium on Advanced Electron Microscopy for Catalysis and Energy Storage Materials , Berlin 2010-01-17 - 2010-01-20
Academic lecture

Weigand, Christian Carl; Ladam, C.; Bergren, Matt; Tveit, Johannes; Vullum, Per Erik; Dahl, Øystein. (2010) ZnO nanostructures grown by pulsed laser deposition. NTNU NanoLab 5th NTNU Nanolab Users Mtg. , Trondheim 2010-09-10 -
Academic lecture

Soleim, Bjørn Gunnar; Sæterli, Ragnhild; Vullum, Per Erik; Van Helvoort, Antonius. (2010) FIB TEM sample preparation. NTNU Nanolab NanoLab’s Seminar series , Trondheim 2010-04-13 - 2010-04-13
Poster

Reenaas, Turid Worren; Vullum, Per Erik; Song, Y.; Sadeghi, M.; Thomassen, Sedsel Fretheim; Holmestad, Randi. (2010) Comparative study of spacer layers for InAs quantum dot stacks. 22nd International Conference on Indium Phosphide and Related Materials , Takamatsu 2010-05-31 - 2010-06-04
Poster

Weigand, Christian Carl; Grepstad, Jostein; Weman, Helge; Ladam, C.; Vullum, Per Erik; Dahl, Øystein. (2010) ZnO nanosheets grown by pulsed laser deposition. 5th Nanowire Growth Workshop , Rome 2010-11-03 - 2010-11-05
Poster

Butler, Keith T; Løvvik, Ole Martin; Friis, Jesper; Cabrera, Enrique; Nordmark, Heidi; Muggerud, Astrid Marie F. (2010) Modelling of Contacting Interfaces in Solar-Cells. MRS Fall Meeting, Boston 2010-11-29 - 2010-12-03
Academic lecture

Løvvik, Ole Martin; Flage-Larsen, Espen; Sagvolden, Espen; Vullum, Per Erik; Kresse, Georg; Lamers, Machteld. (2010) Solid state hydrogen storage and interfaces in PV solar cells: Different meeting points between modelling and experiments. 1st TYC-Workshop on Energy Materials , London 2010-09-07 - 2010-09-09
Academic lecture

Friis, Jesper; Vullum, Per Erik; Flage-Larsen, Espen; Lamers, Machteld; Sagvolden, Espen; Løvvik, Ole Martin. (2010) Modelling of interfaces for high performance solar cell materials – HiperSol. European PV Project Meeting 2010-09-29 - 2010-10-01

2009

Academic lecture

Weigand, Christian Carl; Bergren, Matt; Ladam, Cecile; Vullum, Per Erik; Walmsley, John C; Fagerberg, Ragnar. (2009) Characterization of ZnO Nanostructures Grown by Pulsed Laser Deposition. Materials Research Society MRS Spring Meeting 2009 , San Francisco 2009-04-13 - 2009-04-17
Academic lecture

Vullum, Per Erik; Eberg, Espen; Sæterli, Ragnhild; Horvli, Mari E; Van Helvoort, Antonius; Soleim, Bjørn Gunnar. (2009) TEM specimen preparation of ceramic materials by tripod wedge polishing and Ar-ion milling. Electron Microscopy for Ceramic Materials (EMCM) 2009-08-08 - 2009-08-13
Academic lecture

Vullum, Per Erik; Thomassen, Sedsel Fretheim; Holmestad, Randi; Fimland, Bjørn-Ove; Reenaas, Turid Worren. (2009) TEM characterization of quantum dot intermediate band solar cell materials. SCANDEM 2009, Annual Meeting of the Nordic Microscopy Society , Reykjavik 2009-06-08 - 2009-06-10
Academic lecture

Vullum, Per Erik; Thomassen, Sedsel Fretheim; Sadeghi, Mahdad; Holmestad, Randi; Fimland, Bjørn-Ove; Wang, Shumin. (2009) Transmission electron microscopy characterization of quantum dot intermediate band solar cell materials. NanoMat meeting 2009-06-15 - 2009-06-19
Academic lecture

Vullum, Per Erik. (2009) Specimen Preparation Techniques. School and Workshop on Electron Microscopy for Ceramic Materials , Anadolu University, Eskishehir 2009-10-08 - 2009-10-13
Academic lecture

Vullum, Per Erik; Thomassen, Sedsel Fretheim; Holmestad, Randi; Fimland, Bjørn-Ove; Reenaas, Turid Worren. (2009) TEM characterization of intermediate band quantum dot solar cell materials. 4th NTNU Nanolab user meeting 2009-05-13 - 2009-05-13
Poster

Thomassen, Sedsel Fretheim; Reenaas, Turid Worren; Fimland, Bjørn-Ove; Vullum, Per Erik; Holmestad, Randi; Wang, Shumin. (2009) Material studies for quantum dot intermediate band solar cells. Euro MBE 2009 2009-03-08 - 2009-03-11

2007

Academic lecture

Vullum, Per Erik; pitt, mark; Walmsley, John C; Hauback, Bjørn C.; Holmestad, Randi. (2007) TEM characterization of doped NaAlH4 - Possibilities and limitations. Gordon Research Conference: Hydrogen-Metal Systems , Colby College, Waterville, Maine 2007-07-08 - 2007-07-13
Academic lecture

Vullum, Per Erik; pitt, mark; Walmsley, John C; Hauback, Bjørn C.; Holmestad, Randi. (2007) Transition metal enhanced NaAlH4 – a combined TEM and synchrotron X-ray diffraction study. EMAG of the Institute of Physics Electron Microscopy and Analysis Group (EMAG) , Gøasgpw Caøedpmoam University, Glasgow 2007-09-03 - 2007-09-07
Academic lecture

Sæterli, Ragnhild; Prytz, Øystein; Vullum, Per Erik; Taftø, Johan; Holmestad, Randi. (2007) EELS and CBED studies of skutterudites. Electronic structure and functionality of thermoelectric materials 2007-07-30 - 2007-08-01
Poster

Vullum, Per Erik; Walmsley, John C; Holmestad, Randi; Hauback, Bjørn C.; pitt, mark. (2007) TEM studies of the complex alanate NaAlH4 added Ti. Scandem SCANDEM , helsinki 2007-06-06 - 2007-09-06
Poster

Sæterli, Ragnhild; Prytz, Øystein; Vullum, Per Erik; Friis, Jesper; Marthinsen, Knut; Holmestad, Randi. (2007) Convergent beam electron diffraction experiments on thermoelectric skutterudites. Materials Research Socitey Fall Meeting 2007-09-26 - 2007-09-30

2005

Poster

Mastin, Johann Roland M; Vullum, Per Erik; Holmestad, Randi; Einarsrud, Mari-Ann; Grande, Tor. (2005) Non-elastic deformation of LaCoO3-based ferroelastic ceramics. Materials Research Society MRS Meeting , Boston 2005-11-27 - 2005-12-02

2004

Academic lecture

Vullum, Per Erik; Holmestad, Randi; Lein, Hilde Lea; Einarsrud, Mari-Ann; Grande, Tor. (2004) TEM observations of an adaptive phase in rombohedral LaCoO3 based plolycrystals. European Microscopy Society and Belgium Micr. Soc. 13th European Microscopy Congress , University of Antwerp, Antwerp, Belgium 2004-08-22 - 2004-08-27

Språkvelger

Per Erik Vullum

Per Erik Vullum

Publikasjoner

2025

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

2007

2006

2005

Tidsskriftspublikasjoner

Del av bok/rapport

Rapport

Formidling

2025

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2007

2005

2004