Navigation

  • Skip to Content
NTNU Home NTNU Home

ntnu.edu

  • Studies
    • Master's programmes in English
    • For exchange students
    • PhD opportunities
    • All programmes of study
    • Courses
    • Financing
    • Language requirements
    • Application process
    • Academic calendar
    • FAQ
  • Research and innovation
    • NTNU research
    • Research excellence
    • Strategic research areas
    • Innovation resources
    • PhD opportunities
  • Life and housing
    • Student in Trondheim
    • Student in Gjøvik
    • Student in Ålesund
    • For researchers
    • Life and housing
  • About NTNU
    • Contact us
    • Faculties and departments
    • Libraries
    • International researcher support
    • Vacancies
    • About NTNU
    • Maps
  1. Employees

Språkvelger

Norsk

Antonius Theodorus Johannes van Helvoort

Download press photo
Download press photo
Foto:

Antonius Theodorus Johannes van Helvoort

Professor
Department of Physics

a.helvoort@ntnu.no
+4773593637 +4790403716 Realfagbygget, B4-121, Gløshaugen, Høgskoleringen 5
folk.ntnu.no/helvoort
About Publications Teaching

About

CV

Field of expertise

  • Electron microscopy, especially transmission electron microscopy (TEM)
  • Electron diffraction and spectroscopy (EELS and EDS) 
  • Advanced TEM data processing
  • Focus ion beam (FIB)

 

  • Nanotechnology and nanomaterials
  • Solid state physics
  • Semiconductor nanowires

Courses:

  • TFY4330 Nanoverktøy
  • TFY4255 Materials Physics
  • TFY4330 Nanotools
  • TFY14/FY3114 Functional Materials
  • FY8102 Electron Microscopy and diffraction
  • TFY4853 EIT_Nanoteknologi

 

 

Competencies

  • Electron microscopy

Publications

  • Chronological
  • By category
  • See all publications in Cristin

2017

  • Liudi Mulyo, Andreas; Konno, Yuta; Nilsen, Julie Stene; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2017) Growth study of self-assembled GaN nanocolumns on silica glass by plasma assisted molecular beam epitaxy. Journal of Crystal Growth
    Academic article
  • Ahtapodov, Lyubomir; Kauko, Hanne; Munshi, Abdul Mazid; Fimland, Bjørn-Ove; Van Helvoort, Antonius; Weman, Helge. (2017) Determination of GaAs zinc blende/wurtzite band offsets utilizing GaAs nanowires with an axial GaAsSb insert. Journal of Applied Physics
    Academic article
  • Mosberg, Aleksander Buseth; Myklebost, Steinar; Ren, Dingding; Weman, Helge; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2017) Evaluating focused ion beam patterning for position-controlled nanowire growth using computer vision. Journal of Physics: Conference Series (JPCS)
    Academic article

2016

  • Ahtapodov, Lyubomir; Munshi, Abdul Mazid; Nilsen, Julie Stene; Reinertsen, Johannes F; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove. (2016) Effect of V/III ratio on the structural and optical properties of self-catalysed GaAs nanowires. Nanotechnology
    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
  • Fauske, Vidar Tonaas; Erlbeck, Maximilian; Huh, Junghwan; KIM, DONG CHUL; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj. (2016) In situ electronic probing of semiconducting nanowires in an electron microscope. Journal of Microscopy
    Academic article
  • Heilmann, Martin; Munshi, Abdul Mazid; Sarau, George; Göbelt, Manuela; Tessarek, Christian; Fauske, Vidar Tonaas. (2016) Vertically Oriented Growth of GaN Nanorods on Si Using Graphene as an Atomically Thin Buffer Layer. Nano Letters
    Academic article
  • Fauske, Vidar Tonaas; Huh, Junghwan; Divitini, Giorgio; Dasa Lakshmi Narayana, Dheeraj; Munshi, Abdul Mazid; Ducati, Caterina. (2016) In situ heat-induced replacement of GaAs Nanowires with Au. Nano Letters
    Academic article
  • Ren, Dingding; Dheeraj, D.L.; Jin, Chengjun; Nilsen, Julie Stene; Huh, Junghwan; Reinertsen, Johannes F. (2016) New Insights into the Origins of Sb-Induced Effects on Self-Catalyzed GaAsSb Nanowire Arrays. Nano Letters
    Academic article

2015

  • Huh, Junghwan; Yun, H.; KIM, DONG CHUL; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Kauko, Hanne. (2015) Rectifying Single GaAsSb Nanowire Devices Based on Self-Induced Compositional Gradients. Nano Letters
    Academic article

2014

  • Jones, Lewys; MacArthur, K.E.; Fauske, Vidar Tonaas; Van Helvoort, Antonius; Nellist, P.D.. (2014) Rapid estimation of catalyst nanoparticle morphology and atomic-coordination by high-resolution Z-contrast electron microscopy. Nano Letters
    Academic article
  • Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fauske, Vidar Tonaas; KIM, DONG CHUL; Huh, Junghwan; Reinertsen, Johannes F. (2014) Position-Controlled Uniform GaAs Nanowires on Silicon using Nanoimprint Lithography. Nano Letters
    Academic article
  • Singh, Gurvinder; Kumar, Puri Anil; Lundgren, Christopher; Van Helvoort, Antonius; Mathieu, Roland; Wahlström, Erik. (2014) Tunability in Crystallinity and Magnetic Properties of Core–Shell Fe Nanoparticles. Particle & Particle Systems Characterization
    Academic article
  • Kauko, Hanne; Fimland, Bjørn-Ove; Grieb, Tim; Munshi, Abdul Mazid; Müller, Knut; Rosenauer, Andreas. (2014) Near-surface depletion of antimony during the growth of GaAsSb and GaAs/GaAsSb nanowires. Journal of Applied Physics
    Academic article
  • Kauko, Hanne; Fimland, Bjørn-Ove; Grieb, Tim; Munshi, Abdul Mazid; Muller, K.; Rosenauer, A.. (2014) Erratum: Near-surface depletion of antimony during the growth of GaAsSb and GaAs/GaAsSb nanowires (Journal of Applied Physics (2014)116 (144303)). Journal of Applied Physics
    Errata

2013

  • Kauko, Hanne; Grieb, Tim; Bjørge, Ruben; Schowalter, M.; Munshi, Abdul Mazid; Weman, Helge. (2013) Compositional characterization of GaAs/GaAsSb nanowires by quantitative HAADF-STEM. Micron
    Academic literature review
  • Kauko, Hanne; Zheng, C.L; Zhu, Y; Glanvill, S; Dwyer, Christian; Munshi, Abdul Mazid. (2013) Compositional analysis of GaAs/AlGaAs heterostructures using quantitative scanning transmission electron microscopy. Applied Physics Letters
    Academic article
  • Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Todorovic, Jelena; Van Helvoort, Antonius; Weman, Helge; Fimland, Bjørn-Ove. (2013) Crystal phase engineering in self-catalyzed GaAs and GaAs/GaAsSb nanowires grown on Si(111). Journal of Crystal Growth
    Academic article
  • Dasa Lakshmi Narayana, Dheeraj; Munshi, Abdul Mazid; Christoffersen, Ole Morten; KIM, DONG CHUL; Signorello, Giovanni; Riel, H. (2013) Comparison of Be-doped GaAs nanowires grown by Au- and Ga-assisted molecular beam epitaxy. Journal of Crystal Growth
    Academic article
  • Todorovic, Jelena; Kauko, Hanne; Ahtapodov, Lyubomir; Anthonysamy, Fervin Moses; Olk, Phillip; Dasa Lakshmi Narayana, Dheeraj. (2013) The effects of Sb concentration variation on the optical properties of GaAsSb/GaAs heterostructured nanowires. Semiconductor Science and Technology
    Academic article

2012

  • Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fauske, Vidar Tonaas; DONG CHUL, KIM; Van Helvoort, Antonius; Fimland, Bjørn-Ove. (2012) Vertically Aligned GaAs Nanowires on Graphite and Few-Layer Graphene: Generic Model and Epitaxial Growth. Nano Letters
    Academic article
  • Ahtapodov, Lyubomir; Todorovic, Jelena; Olk, Phillip; Mjåland, Terje Sund; Slåttnes, Patrick Rene Tollefsen; Dasa Lakshmi Narayana, Dheeraj. (2012) A Story Told by a Single Nanowire: Optical Properties of Wurtzite GaAs. Nano Letters
    Academic article

2011

  • Eberg, Espen; Van Helvoort, Antonius; Takahashi, Ryota; Gass, Mhairi; Mendis, Budhika; Bleloch, Andrew. (2011) Electron energy loss spectroscopy investigation of Pb and Ti hybridization with O at the PbTiO3/SrTiO3 interface. Journal of Applied Physics
    Academic article
  • Todorovic, Jelena; Anthonysamy, Fervin Moses; Karlberg, Thomas Andre; Olk, Phillip; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove. (2011) Correlated micro-photoluminescence and electron microscopy studies of the same individual heterostructured semiconductor nanowires. Nanotechnology
    Academic article

2010

  • Sæterli, Ragnhild; Rørvik, Per Martin Ljønes; You, Chang Chuan; Holmestad, Randi; Tybell, Thomas; Grande, Tor. (2010) Polarization control in ferroelectric PbTiO3 nanorods. Journal of Applied Physics
    Academic article
  • Hoang, Thang Ba; Anthonysamy, Fervin Moses; Ahtapodov, Lyubomir; Zhou, Hailong; Dasa, Lakshmi Narayana; Van Helvoort, Antonius. (2010) Engineering Parallel and Perpendicular Polarized Photoluminescence from a Single Semiconductor Nanowire by Crystal Phase Control. Nano Letters
    Academic article

2009

  • Mumm, Florian; Van Helvoort, Antonius; Sikorski, Pawel . (2009) Easy Route to Superhydrophobic Copper-Based Wire-Guided Droplet Microfluidic Systems. ACS Nano
    Academic article

2008

  • Eberg, Espen; Monsen, Åsmund Fløystad; Tybell, Thomas; Van Helvoort, Antonius; Holmestad, Randi. (2008) Comparison of TEM specimen preparation of perovskite thin films by tripod polishing and conventional ion milling. Journal of Electron Microscopy
    Academic article

2007

  • Wang, Guozhong; Sæterli, Ragnhild; Rørvik, Per Martin; Van Helvoort, Antonius; Holmestad, Randi; Grande, Tor. (2007) Self-assembled growth of PbTiO3 nanoparticles into microspheres and bur-like structures. Chemistry of Materials
    Academic article
  • Marioara, CD; Andersen, Sigmund; Stene, Tore; Hasting, Håkon Stokka; Walmsley, John C; Van Helvoort, Antonius. (2007) The effect of Cu on precipitation in Al-Mg-Si alloys. Philosophical Magazine
    Academic article

2006

  • Knowles, Kevin; Van Helvoort, Antonius. (2006) Anodic bonding. International Materials Reviews
    Academic literature review

2005

  • Van Helvoort, Antonius; Dahl, Øystein; Soleim, Bjørn Gunnar; Holmestad, Randi; Tybell, Thomas. (2005) Imaging of out-of-plane interfacial strain in epitaxial PbTiO3/SrTiO3 thin films. Applied Physics Letters
    Academic article

Journal publications

  • Liudi Mulyo, Andreas; Konno, Yuta; Nilsen, Julie Stene; Van Helvoort, Antonius; Fimland, Bjørn-Ove; Weman, Helge. (2017) Growth study of self-assembled GaN nanocolumns on silica glass by plasma assisted molecular beam epitaxy. Journal of Crystal Growth
    Academic article
  • Ahtapodov, Lyubomir; Kauko, Hanne; Munshi, Abdul Mazid; Fimland, Bjørn-Ove; Van Helvoort, Antonius; Weman, Helge. (2017) Determination of GaAs zinc blende/wurtzite band offsets utilizing GaAs nanowires with an axial GaAsSb insert. Journal of Applied Physics
    Academic article
  • Mosberg, Aleksander Buseth; Myklebost, Steinar; Ren, Dingding; Weman, Helge; Fimland, Bjørn-Ove; Van Helvoort, Antonius. (2017) Evaluating focused ion beam patterning for position-controlled nanowire growth using computer vision. Journal of Physics: Conference Series (JPCS)
    Academic article
  • Ahtapodov, Lyubomir; Munshi, Abdul Mazid; Nilsen, Julie Stene; Reinertsen, Johannes F; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove. (2016) Effect of V/III ratio on the structural and optical properties of self-catalysed GaAs nanowires. Nanotechnology
    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
  • Fauske, Vidar Tonaas; Erlbeck, Maximilian; Huh, Junghwan; KIM, DONG CHUL; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj. (2016) In situ electronic probing of semiconducting nanowires in an electron microscope. Journal of Microscopy
    Academic article
  • Heilmann, Martin; Munshi, Abdul Mazid; Sarau, George; Göbelt, Manuela; Tessarek, Christian; Fauske, Vidar Tonaas. (2016) Vertically Oriented Growth of GaN Nanorods on Si Using Graphene as an Atomically Thin Buffer Layer. Nano Letters
    Academic article
  • Fauske, Vidar Tonaas; Huh, Junghwan; Divitini, Giorgio; Dasa Lakshmi Narayana, Dheeraj; Munshi, Abdul Mazid; Ducati, Caterina. (2016) In situ heat-induced replacement of GaAs Nanowires with Au. Nano Letters
    Academic article
  • Ren, Dingding; Dheeraj, D.L.; Jin, Chengjun; Nilsen, Julie Stene; Huh, Junghwan; Reinertsen, Johannes F. (2016) New Insights into the Origins of Sb-Induced Effects on Self-Catalyzed GaAsSb Nanowire Arrays. Nano Letters
    Academic article
  • Huh, Junghwan; Yun, H.; KIM, DONG CHUL; Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Kauko, Hanne. (2015) Rectifying Single GaAsSb Nanowire Devices Based on Self-Induced Compositional Gradients. Nano Letters
    Academic article
  • Jones, Lewys; MacArthur, K.E.; Fauske, Vidar Tonaas; Van Helvoort, Antonius; Nellist, P.D.. (2014) Rapid estimation of catalyst nanoparticle morphology and atomic-coordination by high-resolution Z-contrast electron microscopy. Nano Letters
    Academic article
  • Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fauske, Vidar Tonaas; KIM, DONG CHUL; Huh, Junghwan; Reinertsen, Johannes F. (2014) Position-Controlled Uniform GaAs Nanowires on Silicon using Nanoimprint Lithography. Nano Letters
    Academic article
  • Singh, Gurvinder; Kumar, Puri Anil; Lundgren, Christopher; Van Helvoort, Antonius; Mathieu, Roland; Wahlström, Erik. (2014) Tunability in Crystallinity and Magnetic Properties of Core–Shell Fe Nanoparticles. Particle & Particle Systems Characterization
    Academic article
  • Kauko, Hanne; Fimland, Bjørn-Ove; Grieb, Tim; Munshi, Abdul Mazid; Müller, Knut; Rosenauer, Andreas. (2014) Near-surface depletion of antimony during the growth of GaAsSb and GaAs/GaAsSb nanowires. Journal of Applied Physics
    Academic article
  • Kauko, Hanne; Fimland, Bjørn-Ove; Grieb, Tim; Munshi, Abdul Mazid; Muller, K.; Rosenauer, A.. (2014) Erratum: Near-surface depletion of antimony during the growth of GaAsSb and GaAs/GaAsSb nanowires (Journal of Applied Physics (2014)116 (144303)). Journal of Applied Physics
    Errata
  • Kauko, Hanne; Grieb, Tim; Bjørge, Ruben; Schowalter, M.; Munshi, Abdul Mazid; Weman, Helge. (2013) Compositional characterization of GaAs/GaAsSb nanowires by quantitative HAADF-STEM. Micron
    Academic literature review
  • Kauko, Hanne; Zheng, C.L; Zhu, Y; Glanvill, S; Dwyer, Christian; Munshi, Abdul Mazid. (2013) Compositional analysis of GaAs/AlGaAs heterostructures using quantitative scanning transmission electron microscopy. Applied Physics Letters
    Academic article
  • Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Todorovic, Jelena; Van Helvoort, Antonius; Weman, Helge; Fimland, Bjørn-Ove. (2013) Crystal phase engineering in self-catalyzed GaAs and GaAs/GaAsSb nanowires grown on Si(111). Journal of Crystal Growth
    Academic article
  • Dasa Lakshmi Narayana, Dheeraj; Munshi, Abdul Mazid; Christoffersen, Ole Morten; KIM, DONG CHUL; Signorello, Giovanni; Riel, H. (2013) Comparison of Be-doped GaAs nanowires grown by Au- and Ga-assisted molecular beam epitaxy. Journal of Crystal Growth
    Academic article
  • Todorovic, Jelena; Kauko, Hanne; Ahtapodov, Lyubomir; Anthonysamy, Fervin Moses; Olk, Phillip; Dasa Lakshmi Narayana, Dheeraj. (2013) The effects of Sb concentration variation on the optical properties of GaAsSb/GaAs heterostructured nanowires. Semiconductor Science and Technology
    Academic article
  • Munshi, Abdul Mazid; Dasa Lakshmi Narayana, Dheeraj; Fauske, Vidar Tonaas; DONG CHUL, KIM; Van Helvoort, Antonius; Fimland, Bjørn-Ove. (2012) Vertically Aligned GaAs Nanowires on Graphite and Few-Layer Graphene: Generic Model and Epitaxial Growth. Nano Letters
    Academic article
  • Ahtapodov, Lyubomir; Todorovic, Jelena; Olk, Phillip; Mjåland, Terje Sund; Slåttnes, Patrick Rene Tollefsen; Dasa Lakshmi Narayana, Dheeraj. (2012) A Story Told by a Single Nanowire: Optical Properties of Wurtzite GaAs. Nano Letters
    Academic article
  • Eberg, Espen; Van Helvoort, Antonius; Takahashi, Ryota; Gass, Mhairi; Mendis, Budhika; Bleloch, Andrew. (2011) Electron energy loss spectroscopy investigation of Pb and Ti hybridization with O at the PbTiO3/SrTiO3 interface. Journal of Applied Physics
    Academic article
  • Todorovic, Jelena; Anthonysamy, Fervin Moses; Karlberg, Thomas Andre; Olk, Phillip; Dasa Lakshmi Narayana, Dheeraj; Fimland, Bjørn-Ove. (2011) Correlated micro-photoluminescence and electron microscopy studies of the same individual heterostructured semiconductor nanowires. Nanotechnology
    Academic article
  • Sæterli, Ragnhild; Rørvik, Per Martin Ljønes; You, Chang Chuan; Holmestad, Randi; Tybell, Thomas; Grande, Tor. (2010) Polarization control in ferroelectric PbTiO3 nanorods. Journal of Applied Physics
    Academic article
  • Hoang, Thang Ba; Anthonysamy, Fervin Moses; Ahtapodov, Lyubomir; Zhou, Hailong; Dasa, Lakshmi Narayana; Van Helvoort, Antonius. (2010) Engineering Parallel and Perpendicular Polarized Photoluminescence from a Single Semiconductor Nanowire by Crystal Phase Control. Nano Letters
    Academic article
  • Mumm, Florian; Van Helvoort, Antonius; Sikorski, Pawel . (2009) Easy Route to Superhydrophobic Copper-Based Wire-Guided Droplet Microfluidic Systems. ACS Nano
    Academic article
  • Eberg, Espen; Monsen, Åsmund Fløystad; Tybell, Thomas; Van Helvoort, Antonius; Holmestad, Randi. (2008) Comparison of TEM specimen preparation of perovskite thin films by tripod polishing and conventional ion milling. Journal of Electron Microscopy
    Academic article
  • Wang, Guozhong; Sæterli, Ragnhild; Rørvik, Per Martin; Van Helvoort, Antonius; Holmestad, Randi; Grande, Tor. (2007) Self-assembled growth of PbTiO3 nanoparticles into microspheres and bur-like structures. Chemistry of Materials
    Academic article
  • Marioara, CD; Andersen, Sigmund; Stene, Tore; Hasting, Håkon Stokka; Walmsley, John C; Van Helvoort, Antonius. (2007) The effect of Cu on precipitation in Al-Mg-Si alloys. Philosophical Magazine
    Academic article
  • Knowles, Kevin; Van Helvoort, Antonius. (2006) Anodic bonding. International Materials Reviews
    Academic literature review
  • Van Helvoort, Antonius; Dahl, Øystein; Soleim, Bjørn Gunnar; Holmestad, Randi; Tybell, Thomas. (2005) Imaging of out-of-plane interfacial strain in epitaxial PbTiO3/SrTiO3 thin films. Applied Physics Letters
    Academic article

Teaching

Courses

  • TFY4853 - Eksperter i team - Kan vi feie karbondioksid under teppet?
  • TFY4255 - Materialfysikk
  • FY8905 - Materialfysikk
  • FY8102 - Elektronmikroskopi og diffraksjon

NTNU – Norwegian University of Science and Technology

  • For employees
  • |
  • For students
  • |
  • Intranet
  • |
  • Blackboard

Studies

  • Master's programmes in English
  • For exchange students
  • PhD opportunities
  • Courses
  • Career development
  • Continuing education
  • Application process

News

  • NTNU News
  • Vacancies

About NTNU

  • About the university
  • Libraries
  • NTNU's strategy
  • Research excellence
  • Strategic research areas
  • Organizational chart

Contact

  • Contact NTNU
  • Employees
  • Find experts
  • Press contacts
  • Researcher support
  • Maps

NTNU in three cities

  • NTNU in Gjøvik
  • NTNU in Trondheim
  • NTNU in Ålesund

About this website

  • Use of cookies
  • Accessibility statement
  • Privacy policy
  • Editorial responsibility
Facebook Instagram Linkedin Snapchat Tiktok Youtube
Sign In
NTNU logo