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A. T. J. van Helvoort
A. T. J. van Helvoort
Professor physics NTNU
Adresse e-mail validée de ntnu.no - Page d'accueil
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The effect of Cu on precipitation in Al–Mg–Si alloys
CD Marioara, SJ Andersen, TN Stene, H Hasting, J Walmsley, ...
Philosophical Magazine 87 (23), 3385-3413, 2007
3412007
Vertically aligned GaAs nanowires on graphite and few-layer graphene: generic model and epitaxial growth
AM Munshi, DL Dheeraj, VT Fauske, DC Kim, ATJ van Helvoort, ...
Nano letters 12 (9), 4570-4576, 2012
2472012
Anodic bonding
KM Knowles, ATJ Van Helvoort
International materials reviews 51 (5), 273-311, 2006
1792006
Position-controlled uniform GaAs nanowires on silicon using nanoimprint lithography
AM Munshi, DL Dheeraj, VT Fauske, DC Kim, J Huh, JF Reinertsen, ...
Nano letters 14 (2), 960-966, 2014
1772014
Easy route to superhydrophobic copper-based wire-guided droplet microfluidic systems
F Mumm, ATJ van Helvoort, P Sikorski
Acs Nano 3 (9), 2647-2652, 2009
1772009
Growth and characterization of wurtzite GaAs nanowires with defect-free zinc blende GaAsSb inserts
DL Dheeraj, G Patriarche, H Zhou, TB Hoang, AF Moses, S Grønsberg, ...
Nano letters 8 (12), 4459-4463, 2008
1532008
Rapid estimation of catalyst nanoparticle morphology and atomic-coordination by high-resolution Z-contrast electron microscopy
L Jones, KE MacArthur, VT Fauske, ATJ van Helvoort, PD Nellist
Nano Letters 14 (11), 6336-6341, 2014
1322014
A Story Told by a Single Nanowire: Optical Properties of Wurtzite GaAs
L Ahtapodov, J Todorovic, P Olk, T Mjåland, P Slåttnes, DL Dheeraj, ...
Nano Letters, 2012
1322012
The evolution of precipitate crystal structures in an Al-Mg-Si (-Cu) alloy studied by a combined HAADF-STEM and SPED approach
JK Sunde, CD Marioara, ATJ van Helvoort, R Holmestad
Materials Characterization 142, 458-469, 2018
942018
Vertically oriented growth of GaN nanorods on Si using graphene as an atomically thin buffer layer
M Heilmann, AM Munshi, G Sarau, M Göbelt, C Tessarek, VT Fauske, ...
Nano letters 16 (6), 3524-3532, 2016
892016
Self-Assembled Growth of PbTiO3 Nanoparticles into Microspheres and Bur-like Structures
G Wang, R Sæterli, PM Rørvik, ATJ van Helvoort, R Holmestad, T Grande, ...
Chemistry of materials 19 (9), 2213-2221, 2007
852007
Rectifying single GaAsSb nanowire devices based on self-induced compositional gradients
J Huh, H Yun, DC Kim, AM Munshi, DL Dheeraj, H Kauko, ...
Nano Letters 15 (6), 3709-3715, 2015
832015
Single-mode near-infrared lasing in a GaAsSb-based nanowire superlattice at room temperature
D Ren, L Ahtapodov, JS Nilsen, J Yang, A Gustafsson, J Huh, ...
Nano letters 18 (4), 2304-2310, 2018
812018
Crystal phase engineering in self-catalyzed GaAs and GaAs/GaAsSb nanowires grown on Si (111)
AM Munshi, DL Dheeraj, J Todorovic, ATJ van Helvoort, H Weman, ...
Journal of Crystal Growth 372, 163-169, 2013
762013
New insights into the origins of Sb-induced effects on self-catalyzed GaAsSb nanowire arrays
D Ren, DL Dheeraj, C Jin, JS Nilsen, J Huh, JF Reinertsen, AM Munshi, ...
Nano letters 16 (2), 1201-1209, 2016
742016
Engineering parallel and perpendicular polarized photoluminescence from a single semiconductor nanowire by crystal phase control
T Ba Hoang, AF Moses, L Ahtapodov, H Zhou, DL Dheeraj, ...
Nano letters 10 (8), 2927-2933, 2010
742010
Zinc blende GaAsSb nanowires grown by molecular beam epitaxy
DL Dheeraj, G Patriarche, L Largeau, HL Zhou, ATJ van Helvoort, F Glas, ...
Nanotechnology 19 (27), 275605, 2008
742008
Controlling crystal phases in GaAs nanowires grown by Au-assisted molecular beam epitaxy
DL Dheeraj, AM Munshi, M Scheffler, ATJ van Helvoort, H Weman, ...
Nanotechnology 24 (1), 015601, 2012
622012
Unsupervised machine learning applied to scanning precession electron diffraction data
BH Martineau, DN Johnstone, ATJ van Helvoort, PA Midgley, ...
Advanced structural and chemical imaging 5, 1-14, 2019
602019
Wurtzite GaAs/AlGaAs core–shell nanowires grown by molecular beam epitaxy
HL Zhou, TB Hoang, DL Dheeraj, ATJ van Helvoort, L Liu, JC Harmand, ...
Nanotechnology 20 (41), 415701, 2009
602009
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