2025

• Poster
  Baigarinova, Gulzhan; Nilsen, Tron Arne; Bhunia, Swagata; Weman, Helge; Fimland, Bjørn Ove Myking. (2025) Selective Area Growth of GaN Nanowires on Si with Ga Pre-Filling. 15th International Conference on Nitride Semiconductors (ICNS-15) 2025-07-05 - 2025-07-10
• Poster
  Baigarinova, Gulzhan; Nilsen, Tron Arne; Bhunia, Swagata; Weman, Helge; Fimland, Bjørn Ove Myking. (2025) Selective area growth of GaN nanowires. TNNN , University of Tromsø, 2025-06-10 - 2025-06-12

2024

• Faglig foredrag
  Weman, Helge. (2024) III-V nanowire/graphene hybrid structures for applications in solar cells and UV LEDs. Invited talk , Lausanne 2024-06-12 - 2024-06-12
• Vitenskapelig foredrag
  Gupta, Dishiti; Nilsen, Tron Arne; Fimland, Bjørn Ove Myking; Weman, Helge. (2024) Improving the Efficiency of Top-emitting AlGaN Nanowire Photonic Crystal Laser by Structural Modification. NUSOD , New Delhi 2024-09-23 - 2024-09-26

2023

• Vitenskapelig foredrag
  Weman, Helge. (2023) UV LEDs based on AlGaN nanowires grown on graphene. The 3rd Ultraviolet LED InternationalConference , Changzhi 2023-09-12 - 2023-09-14
• Poster
  Li, Yang; Nilsen, Tron Arne; Baigarinova, Gulzhan; Gupta, Dishiti; Ren, Dingding; Fimland, Bjørn Ove Myking. (2023) GaN nanowires grown on Si by plasma-assisted molecular beam epitaxy using graphene as buffer. 14th Int. Conf. on Nitride Semiconductors , Fukuoka 2023-11-12 - 2023-11-17
• Vitenskapelig foredrag
  Weman, Helge. (2023) III-V nanowire/graphene hybrid structures for applications in solar cells and UVC LEDs. Invited talk at EPFL , Lausanne 2023-06-14 - 2023-06-14
• Poster
  Li, Yang; Nilsen, Tron Arne; Baigarinova, Gulzhan; Gupta, Dishiti; Ren, Dingding; Fimland, Bjørn Ove Myking. (2023) Exploring graphene as buffer for gallium nitride nanowire growth on silicon. Norwegian NanoSymposium 2023 , Trondheim 2023-11-28 - 2023-11-29
• Vitenskapelig foredrag
  Nilsen, Julie Stene; Huh, Junghwan; Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Weman, Helge; Fimland, Bjørn Ove Myking. (2023) Understanding the structure and composition of an annealed Pd/Ge/Au Contacts to n-GaAs Nanowires. Microscopy of Semiconducting Materials , Cambridge 2023-04-03 -

2022

• Poster
  Li, Yang; Nilsen, Tron Arne; Mulyo, Andreas Liudi; Ren, Dingding; Weman, Helge; Fimland, Bjørn Ove Myking. (2022) Selective area epitaxy of GaN nanowires on single-layer graphene substrates by molecular beam epitaxy. Int. Workshop on Nitride Semiconductors , Berlin 2022-10-09 -
• Vitenskapelig foredrag
  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. III-V Semiconductors for Energy Conversion Technologies , Honolulu (remote) 2022-05-23 - 2022-05-27
• 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 -
• Poster
  Li, Yang; Nilsen, Tron Arne; Mulyo, Andreas Liudi; Mukherjee, Anjan; Ren, Dingding; Weman, Helge. (2022) Selective area MBE growth of GaN nanowires on graphene/sapphire using a hole-patterned SiO2 mask. The 1st TNNN Conference & Norwegian Nano Symposium 2022 , Trondheim 2022-11-30 - 2022-12-02
• Poster
  Li, Yang; Nilsen, Tron Arne; Mukherjee, Anjan; Ren, Dingding; Weman, Helge; Fimland, Bjørn Ove Myking. (2022) Selective area epitaxy of GaN nanowires on graphene substrates by plasma assisted molecular beam epitaxy. The 22nd International Conference on Molecular Beam Epitaxy , Sheffield 2022-09-04 - 2022-09-09
• Vitenskapelig foredrag
  Weman, Helge. (2022) III-V nanowire/graphene hybrid structures for applications in solar cells and UV LEDs. Invited talk at EPFL , Lausanne 2022-06-13 - 2022-06-13
• Poster
  Ren, Dingding; Nilsen, Tron Arne; Nilsen, Julie Stene; Ahtapodov, Lyubomir; Mukherjee, Anjan; Li, Yang. (2022) MBE Growth of GaAsSb/GaAs Multiple Quantum Disk Nanowires on Few-layer Graphene for Photonic Applications. 22nd International Conference on Molecular Beam Epitaxy , Sheffield, UK 2022-09-04 - 2022-09-09
• Vitenskapelig foredrag
  Weman, Helge. (2022) III-V nanowire/graphene hybrid structures for applications in solar cells and UV LEDs. Invited talk at Int. symp. on Semiconductor Materials and Devices , Bhubaneswar (remote) 2022-12-16 - 2022-12-18
• Faglig foredrag
  Weman, Helge. (2022) Litt bakgrunn og historikk til opprinnelsen av CrayoNano. Invitert til styremøte NFR Muliggjørende teknologier , Oslo (remote) 2022-04-06 - 2022-04-06

2021

• Intervju
  Mukherjee, Anjan; Fimland, Bjørn-Ove; Weman, Helge. (2021) Gallium arsenide nanowire solar cell with 7.7% efficiency. pv-magazine.com pv-magazine.com [Internet] 2021-11-09
• Poster
  LI, Yang; Nilsen, Tron Arne; Mukherjee, Anjan; Mulyo, Andreas Liudi; Fimland, Bjørn-Ove; Weman, Helge. (2021) Selective area growth of GaN nanowires on sapphire and graphene substrates by molecular beam epitaxy. 21st International Conference on Molecular Beam Epitaxy , Puerto Vallarta and Virtual 2021-09-06 - 2021-09-09
• Vitenskapelig foredrag
  Weman, Helge. (2021) AlGaN nanowire UV LEDs using graphene as a transparent conducting substrate. Invited talk "The 7th International Forum on Wide Bandgap Semiconductors " , Shenzhen 2021-12-06 - 2021-12-08
• Vitenskapelig foredrag
  Weman, Helge. (2021) AlGaN nanowire UV LEDs using graphene as substrate and transparent electrode. Invited talk "Epitaxy on 2D materials for layer release and their applications" , Virtual 2021-06-28 - 2021-06-30
• Intervju
  Mukherjee, Anjan; Fimland, Bjørn-Ove; Weman, Helge. (2021) New ultra-high material efficient, low-cost solar cells — using nanowires. https://norwegianscitechnews.com/ https://norwegianscitechnews.com/ [Internet] 2021-11-05
• Intervju
  Mukherjee, Anjan; Fimland, Bjørn-Ove; Weman, Helge. (2021) New ultra-high material efficient, low-cost solar cells — using nanowires. Eurekalert.org Eurekalert.org [Internet] 2021-11-05
• Vitenskapelig foredrag
  Weman, Helge. (2021) AlGaN nanowire UV LEDs using graphene as a transparent conducting substrate. Invited talk "The XXIst International Workshop on the Physics of Semiconductor Devices (IWPSD 2021)" , New Delhi and on-line 2021-12-14 - 2021-12-17
• Faglig foredrag
  Weman, Helge. (2021) Litt bakgrunn og historikk til opprinnelsen av CrayoNano. Feiring CrayoNano betaling av patenter fra NTNU , Trondheim 2021-12-22 - 2021-12-22
• Vitenskapelig foredrag
  Weman, Helge. (2021) AlGaN nanowire UV LEDs using graphene as substrate and transparent electrode. Invited talk "Quantum Science and Condensed Matter Seminar" , Lausanne 2021-06-25 - 2021-06-25
• Faglig foredrag
  Weman, Helge. (2021) Nanowire/graphene UVC LEDs. NTNU Nanokveld , Trondheim 2021-04-19 - 2021-04-19

2020

• Vitenskapelig foredrag
  Weman, Helge. (2020) AlGaN nanowire UV LEDs using graphene as substrate and transparent electrode. Invited talk 5th International Conference on Emerging Electronics , New Delhi and on-line 2020-11-26 - 2020-11-28

2019

• Poster
  Ren, Dingding; Chen, Z; Nilsen, Julie Stene; Ahtapodov, Lyubomir; Borisov, B.; Mukherjee, Anjan. (2019) Epitaxially Grown InGaN/GaN Nanowires on Graphene Glass. 13th International Conference on Nitride Semiconductors 2019 (ICNS-13) , Bellevue 2019-07-07 - 2019-07-12
• Poster
  Mulyo, Andreas Liudi; Rajpalke, Mohana Krishnappa; 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. The 13th International Conferences on Nitride Semiconductors , Bellevue, Washington (Seattle) 2019-07-07 - 2019-07-12
• Vitenskapelig foredrag
  Mukherjee, Anjan; Mosberg, Aleksander Buseth; Ren, Dingding; Li, Yang; Ahtapodov, Lyubomir; Helvoort, Antonius Van. (2019) Radial Junction GaAs Nanowire Solar Cells: Towards Efficient Performance. 10th Annual NanoNetwork conference , Tromsø 2019-06-17 - 2019-06-19
• Vitenskapelig foredrag
  Ren, Dingding; Ahtapodov, Lyubomir; Helvoort, Antonius Van; Fimland, Bjørn-Ove; Weman, Helge. (2019) Crystal phase engineering in GaAsSb/GaAs nanowires grown by MBE. 1st International Workshop on Crystal-Phase Structures in Nanowires , Copenhagen 2019-04-04 - 2019-04-05
• Vitenskapelig foredrag
  Nilsen, Julie Stene; Huh, Junghwan; Munshi, A Mazid; Dheeraj, Dasa; Weman, Helge; Fimland, Bjørn-Ove. (2019) Contacting nanostrusctures: detailed characterisation of the Au/Ge/GaAs nanowire interface. Microscopy of Semiconducting Materials (MSM-XXI) , Cambridge 2019-04-09 - 2019-04-12
• Vitenskapelig foredrag
  Mulyo, Andreas Liudi; 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
• Poster
  Mosberg, Aleksander Buseth; Myklebost, Steinar; Ren, Dingding; Weman, Helge; Fimland, Bjørn-Ove; Helvoort, Antonius Van. (2019) Characterizing nanowire arrays by computer vision based on SEM images. 16th European microbeam analysis society meeting , Trondheim 2019-05-19 - 2019-05-23
• Faglig foredrag
  Weman, Helge. (2019) Nanowire UV LEDs using graphene as substrate and transparent electrode. Grey Goo Symposium , Trondheim 2019-02-14 - 2019-02-14
• Intervju
  Weman, Helge. (2019) Scientists create ultraviolet light on a graphene surface. Nanowerk Nanowerk [Internet] 2019-05-23
• Intervju
  Høiaas, Ida Marie; Weman, Helge; Fimland, Bjørn-Ove. (2019) Utviklet nanomateriale som kan erstatte kvikksølv. Gemini.no Gemini.no [null] 2019-05-27
• Intervju
  Høiaas, Ida Marie; Weman, Helge; Fimland, Bjørn-Ove. (2019) New nanomaterial to replace mercury. Norwegian SciTech News Norwegian SciTech News [Internet] 2019-04-25
• Vitenskapelig foredrag
  Mulyo, Andreas Liudi; Kim, Dong Chul; Høiaas, Ida Marie; Ahtapodov, Lyubomir; Weman, Helge; Kishino, Katsumi. (2019) Utilization of Graphene as Substrate and Bottom Electrode for High-Density and Vertically-Aligned GaN/AlGaN Nanocolumns in Light-Emitting Diodes in the UV-A. 10th annual workshop on Norwegian PhD Network on Nanotechnology for Microsystems , Tromsø 2019-06-17 - 2019-06-19
• Intervju
  Weman, Helge. (2019) UV LEDs on graphene: Cheaper and ten times more efficient. eeNews eeNews [Internet] 2019-02-13
• Faglig foredrag
  Weman, Helge. (2019) Using graphene as epitaxial substrate and transparent electrode for semiconductor devices. Invited talk at Graphene 2019 , Rome 2019-06-25 - 2019-06-28
• Vitenskapelig foredrag
  Weman, Helge. (2019) AlGaN nanowire UV LED using graphene as substrate and transparent bottom electrode. Invited talk 16th China International Forum on Solid State Lighting , Shenzhen 2019-11-25 - 2019-11-27
• Vitenskapelig foredrag
  Weman, Helge. (2019) AlGaN nanowire UV LED using graphene as substrate and transparent bottom electrode. Invited talk Beijing Graphene Institute , Beijing 2019-11-28 -
• Intervju
  Høiaas, Ida Marie; Weman, Helge; Fimland, Bjørn-Ove. (2019) Ny og ufarlig elektronisk komponent kan erstatte kvikksølv. Teknisk Ukebald Teknisk Ukebald [null] 2019-05-28
• Intervju
  Weman, Helge. (2019) Un nuevo nanomaterial reemplaza al mercurio para producir luz UVC. Europapress.es Europapress.es [null] 2019-04-26
• Poster
  Mulyo, Andreas Liudi; 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 2019 , Pisa 2019-09-23 - 2019-09-27
• Vitenskapelig foredrag
  Weman, Helge. (2019) AlGaN nanowire UV LED using graphene as substrate and transparent bottom electrode. Invited talk at Neel Institute , Grenoble 2019-10-17 - 2019-10-17

2018

• Intervju
  Weman, Helge; Fimland, Bjørn-Ove. (2018) Building miniature lasers using nanowire. Nanowerk.com Nanowerk.com [Internet] 2018-08-29
• Intervju
  Weman, Helge; Fimland, Bjørn-Ove. (2018) Lager miniatyrlasere i nanotråder. Gemini.no Gemini.no [null] 2018-06-29
• 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
• Faglig foredrag
  Weman, Helge. (2018) AlGaN nanowire UV LED using graphene as substrate and transparent electrode. Invited talk at Solid State Lighting-China 2018 , Shenzhen 2018-10-23 - 2018-10-25
• Vitenskapelig foredrag
  Weman, Helge. (2018) Growth and fabrication of III-V nanowire/graphene hybrid structures and devices. Invited talk at Nanowire Week , Hamilton 2018-06-11 - 2018-06-15
• Vitenskapelig foredrag
  Weman, Helge. (2018) Using graphene as an epitaxial substrate and transparent electrode for GaN/AlGaN UV LEDs. Invited talk at Solid State Devices and Materials-Japan , Tokyo 2018-09-11 - 2018-09-13
• Intervju
  Weman, Helge; Fimland, Bjørn-Ove. (2018) Building Miniature Lasers with Nanowires. Science and technology research news Science and technology research news [Internet] 2018-08-24
• Intervju
  Weman, Helge. (2018) Vil revolusjnere UV LED markedet. NTNU Discovery årsrapport 2017 NTNU Discovery årsrapport 2017 [null] 2018-01-01
• Poster
  Mulyo, Andreas Liudi; 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
  Høiaas, Ida Marie; Mulyo, Andreas Liudi; 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
• Intervju
  Weman, Helge; Fimland, Bjørn-Ove. (2018) Building minature lasers with nanowires. Gemini.no Gemini.no [Internet] 2018-08-23
• Vitenskapelig foredrag
  Weman, Helge. (2018) III-V semiconductor nanowire/graphene hybrid structures and devices. Invited talk at Technical University of Berlin , Berlin 2018-01-22 - 2018-01-22
• Vitenskapelig foredrag
  Weman, Helge. (2018) Using graphene as epitaxial substrate and transparent electrode for semiconductor devices. Invited talk at Beijing Graphene Forum and BGI Inauguration , Beijing 2018-10-25 - 2019-08-26
• Poster
  Nylund, Inger-Emma; Ren, Dingding; Weman, Helge; Fimland, Bjørn-Ove; Helvoort, Antonius Van. (2018) Electron microscopy characterization of GaN Nanowires grown on graphene. CSI2018 , Trondheim 2018-06-19 - 2018-06-21
• Poster
  Nilsen, Julie Stene; Ånes, Håkon Wiik; Andersen, Ingrid Marie; Ren, Dingding; Weman, Helge; Fimland, Bjørn-Ove. (2018) Large Area Crystal Phase Mapping by Scanning Electron Diffraction and Machine Learning Data Analysis. Scandem 2018 , Copenhagen 2018-06-25 - 2018-06-28
• Vitenskapelig foredrag
  Ren, Dingding; Ahtapodov, Lyubomir; Nilsen, Julie Stene; Yang, J.; Gustafsson, A.; Huh, Junghwan. (2018) Single Nanowire Laser with GaAsSb-based Multiple-Superlatticed Gain Structure. 60th electronic materials conference at UCSB , Santa Barbara 2018-06-27 - 2018-06-29
• Vitenskapelig foredrag
  Ren, Dingding; Ahtapodov, Lyubomir; Nilsen, Julie Stene; Yang, J.; Huh, Junghwan; Kim, Dong-Chul. (2018) Single Nanowire Laser with GaAsSb-based Multiple-Superlatticed Gain Structure. Compound Semiconductor week 2018 , Boston 2018-05-29 - 2018-06-01
• Poster
  Ahtapodov, Lyubomir; Munshi, A Mazid; Fimland, Bjørn-Ove; Helvoort, Antonius Van; Weman, Helge. (2018) Optical determination of the GaAs zinc blende/wurtzite band offsets. Nanowire Week 2018 , Hamilton 2018-06-11 - 2018-06-15
• Intervju
  Weman, Helge. (2018) Tenk Stort- Tenk Nano. Podcast Podcast [null] 2018-12-06
• Vitenskapelig foredrag
  Mukherjee, Anjan; Shin, Dong Hoon; Munshi, Abdul Mazid; Dheeraj, Dasa; Nam, Jung Tae; Kim, Keun Sook. (2018) Bias-dependent Scanning Photocurrent Microscopy on a Single GaAs Nanowire Graphene Hybrid Device. NTNU Nano Symposium , Trondheim 2018-11-28 - 2018-11-29
• Vitenskapelig foredrag
  Weman, Helge. (2018) III-V semiconductor nanowire/graphene hybrid structures and devices. Invited talk at NTNU NanoLab Symposium 2018 , Trondheim 2018-11-28 - 2018-11-29
• Poster
  Mukherjee, Anjan; Ren, Dingding; Islam, M. A.; Mosberg, Aleksander Buseth; Li, Yang; Ahtapodov, Lyubomir. (2018) Monitoring Axial and Radial Junction GaAs Nanowire Solar Cells Through a New Approach: Towards Efficient Performance. NTNU Nano Symposium , Trondheim 2018-11-28 - 2018-11-29
• Vitenskapelig foredrag
  Mukherjee, Anjan; Shin, Dong Hoon; Munshi, Abdul Mazid; Dheeraj, D.L.; Nam, Jung Tae; Kim, Keun Sook. (2018) Bias-dependent scanning photocurrent microscopy on embedded single GaAs nanowire/graphene hybrid device. Nanowire Week , Hamilton 2018-06-11 - 2018-06-15
• Vitenskapelig foredrag
  Høiaas, Ida Marie; Mulyo, Andreas Liudi; 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
• Vitenskapelig foredrag
  Weman, Helge. (2018) Using graphene as epitaxial substrate and transparent electrode for AlGaN UV LEDs. Invited talk at ImagineNano 2018 , Bilbao 2018-03-13 - 2018-03-15
• Vitenskapelig foredrag
  Weman, Helge. (2018) Growth and Fabrication of III-V Nanowire/Graphene Hybrid Structures and Devices. Invited talk at NTT Res. Lab, Atsugi, Japan , Morinosato 2018-09-14 - 2018-09-14

2017

• Poster
  Mukherjee, Anjan; KIM, DONG CHUL; Yun, Hoyeol; Seo, Miri; Kim, Keun Sook; Lee, Sang Wook. (2017) Embedded single GaAs nanowire/graphene hybrid devices fabricated by a position- controlled micro transfer and imprinting technique. Nanowire week , Lund 2017-05-29 - 2017-06-02
• Poster
  Mukherjee, Anjan; KIM, DONG CHUL; Yun, Hoyeol; Seo, Miri; Nam, Jungtae; Kim, Keun Sook. (2017) Single GaAs nanowire/graphene hybrid devices fabricated by a position controlled micro transfer and imprinting technique for embedded structures. MRS Spring meeting 2017 , Phoenix 2017-04-17 - 2017-04-21
• Poster
  Mukherjee, Anjan; KIM, DONG CHUL; Yun, Hoyeol; Seo, Miri; Nam, Jungtae; Kim, Keun Sook. (2017) An Imprinting Technique to Fabricate Embedded Single GaAs Nanowire/Graphene Hybrid Devices. Carbonhagen 2017 , Copenhagen 2017-08-16 - 2017-08-17
• Vitenskapelig foredrag
  Weman, Helge. (2017) III-V semiconductor nanowire/graphene structures and photonic devices. Invited talk at Int. workshop on Physics of Semiconductor Devices , New Delhi 2017-12-11 - 2017-12-15
• Poster
  Mukherjee, Anjan; KIM, DONG CHUL; Munshi, Mazid; Dasa, Dheeraj; Fimland, Bjørn-Ove; Weman, Helge. (2017) Fabrication of Single GaAs Nanowire/Graphene Hybrid Devices for Optoelectronic Applications. Nordic Nanolab User Meeting (NNUM) 2017 , Trondheim 2017-05-09 - 2017-05-10
• Vitenskapelig foredrag
  Mukherjee, Anjan; KIM, DONG CHUL; Yun, Hoyeol; Seo, Miri; Nam, Jung Tae; Kim, Keun Soo. (2017) High-Quality Single GaAs Nanowire/Graphene Junctions Fabricated by using an Imprinting Technique for Embedded Nanowire Configurations. 8th Annual Workshop of the Norwegian PhD Network on Nanotechnology for Microsystems - 2017 , Bergen 2017-06-12 - 2017-06-14
• Intervju
  Weman, Helge. (2017) Norway pioneers new UV LEDs. Gemini Gemini [Internet] 2017-08-03
• Intervju
  Weman, Helge. (2017) En reaktor blir installert i Trondheim. Den gror halvleder nanotråder til UV LED som dreper bakterier og desinfiserer. Teknisk Ukeblad Teknisk Ukeblad [null] 2017-08-27
• Intervju
  Weman, Helge. (2017) Sluppen klar for industrieventyr. Adressa Adressa [null] 2017-06-06
• Intervju
  Weman, Helge. (2017) Teknologiselskap henter 50 millioner og ny ledelse. Dagens Næringsliv Dagens Næringsliv [null] 2017-06-15
• Intervju
  Weman, Helge. (2017) Gründerselskapet CrayoNano AS vil nå et etablere et pilotanlegg for utvikling av en ny type UV-LED i Trondheim. Gemini Gemini [null] 2017-06-15
• Intervju
  Weman, Helge. (2017) UV LED av nanotråder på grafén. Elektronikknet Elektronikknet [null] 2017-06-28
• Faglig foredrag
  Mulyo, Andreas Liudi; Helvoort, Antonius Van; Fimland, Bjørn-Ove; Weman, Helge; Kishino, Katsumi. (2017) Epitaxy Feasibility of n-type GaN/AlGaN Nanocolumns on Silica Glass. Compound Semiconductor Week 2017 , Berlin 2017-05-14 - 2017-05-18
• Vitenskapelig foredrag
  Høiaas, Ida Marie; Mulyo, Andreas Liudi; KIM, DONG CHUL; Fimland, Bjørn-Ove; Kishino, Katsumi; Weman, Helge. (2017) AlGaN/GaN nanowire flip-chip UV LED using graphene as substrate and transparent electrode. Nano@NTNU , Trondheim 2017-12-06 - 2017-12-07
• Faglig foredrag
  Mulyo, Andreas Liudi; Høiaas, Ida Marie; KIM, DONG CHUL; Fimland, Bjørn-Ove; Weman, Helge; Kishino, Katsumi. (2017) AlGaN/GaN Nanocolumn Flip-Chip UV LEDs Grown on Graphene/Silica Glass. The 11th International Symposium on Semiconductor Light Emitting Devices , Banff 2017-10-08 - 2017-10-12
• Faglig foredrag
  Mulyo, Andreas Liudi; Fimland, Bjørn-Ove; Weman, Helge; Kishino, Katsumi. (2017) Epitaxial Growth of Vertical n-type GaN/AlGaN Nanocolumns on Graphene/Silica Glass. The 12th International Conferences on Nitride Semiconductors , Strasbourg 2017-07-24 - 2017-07-28
• Poster
  Mulyo, Andreas Liudi; Høiaas, Ida Marie; Rajpalke, Mohana Krishnappa; Fimland, Bjørn-Ove; Weman, Helge; Kishino, Katsumi. (2017) Graphene as a substrate and bottom electrode for high density and vertically aligned GaN nanocolumns. Nano@NTNU Symposium , Trondheim 2017-12-06 - 2017-12-07
• Vitenskapelig foredrag
  Weman, Helge. (2017) III-V semiconductor nanowire/graphene hybrid structures and devices. Fredagkollokvie fysikk , Trondheim 2017-10-27 - 2017-10-27
• Vitenskapelig foredrag
  Weman, Helge. (2017) III-V semiconductor nanowire/graphene structures and photonic devices. Invited talk at KTH , Stockholm 2017-10-25 - 2017-10-25
• Faglig foredrag
  Helvoort, Antonius Van; Garmannslund, Andreas; Bogen, J; Nilsen, Julie Stene; Fauske, vidar T.; Ren, Dingding. (2017) Improved compositional mapping of heterostructured nanowire (by STEM-EDX). Nanowire Week , Lund 2017-05-29 - 2017-06-02
• Poster
  Mosberg, Aleksander Buseth; Myklebost, S; Ren, Dingding; Weman, Helge; Fimland, Bjørn-Ove; Helvoort, Antonius Van. (2017) Exploring focused ion beam substrate patterning for nanowire growth. Nanowire Week , Lund 2017-05-29 - 2017-06-02
• Poster
  Mosberg, Aleksander Buseth; Myklebost, S; Ren, Dingding; Weman, Helge; Fimland, Bjørn-Ove; Helvoort, Antonius Van. (2017) Evaluating focused ion beam patterning for nanowire growth using computer vision. EMAG/MMC , Manchester 2017-07-03 - 2017-07-06
• Faglig foredrag
  Fauske, vidar T.; Huh, Junghwan; Divitini, Giorgio; Munshi, A Mazid; Dheeraj, D.L.; Ducati, C. (2017) In-situ studying the heat‐induced replacement of GaAs by Au. In-situ TEM sample-management solution workshop , Grenoble 2017-03-16 - 2017-03-16
• Poster
  Ren, Dingding; Ahtapodov, Lyubomir; Nilsen, Julie Stene; Yang, J.; Gustafsson, A; Huh, Junghwan. (2017) High-Q factor, single-mode, room-temperature lasing from GaAsSb/GaAs nanowire superlattices. Nanowire Week , Lund 2017-05-29 - 2017-06-02
• Vitenskapelig foredrag
  Ren, Dingding; Ahtapodov, Lyubomir; Nilsen, Julie Stene; Yang, J.; Gustafsson, Anders; Huh, Junghwan. (2017) Ternary GaAsSb Nanowire for Optoelectronic Applications. Nano@NTNU symposium 2017 , Trondheim 2017-12-06 - 2017-12-07
• Faglig foredrag
  Weman, Helge. (2017) Changing the UV LED industry and beyond. TTO vårslæpp , Trondheim 2017-06-07 - 2017-06-07
• Vitenskapelig foredrag
  Weman, Helge. (2017) Epitaxial growth of heterostructured III-V semiconductor nanowires on graphene. Invited talk Erik Bakkers group, Eindhoven TU , Eindhoven 2017-05-02 - 2017-05-02
• Vitenskapelig foredrag
  Weman, Helge. (2017) Epitaxial growth of heterostructured III-V semiconductor nanowires on graphene. Invited talk KIST, Korea , Jeonbuk 2017-04-10 - 2017-04-10
• Poster
  Høiaas, Ida Marie; Mulyo, Andreas Liudi; KIM, DONG CHUL; Fimland, Bjørn-Ove; Kishino, Katsumi; Weman, Helge. (2017) Graphene as growth substrate and transparent electrode for flip-chip GaN/AlGaN nanocolumn UV-LEDs. Carbonhagen 2017 , Copenhagen 2017-08-16 -
• Vitenskapelig foredrag
  Weman, Helge. (2017) III-V semiconductor nanowire/graphene hybrid structures and devices. Invited talk in Prof. Zetian Mi's group Uni. Michigan , Ann Arbor 2017-10-16 - 2017-10-16
• Vitenskapelig foredrag
  Weman, Helge. (2017) III-V semiconductor nanowire/graphene hybrid structures and devices. Invited talk in prof. Zhongfan Liu-s group , Beijing 2017-10-31 - 2017-10-31
• Faglig foredrag
  Weman, Helge. (2017) AlGaN nanowire flip-chip UV LEDs grown on graphene/glass. SSL China 2017 , Beijing 2017-11-01 - 2017-11-03
• Vitenskapelig foredrag
  Weman, Helge. (2017) Epitaxial growth of semiconductor nanostructures on graphene. Carbonhagen 2017 , Copenhagen 2017-08-16 - 2017-08-17
• Faglig foredrag
  Weman, Helge. (2017) AlGaN nanostructures on graphene: A new disruptive technology for UV LEDs. LED Taiwan 2017 , Taipei 2017-04-12 - 2017-04-12
• Vitenskapelig foredrag
  Weman, Helge. (2017) Epitaxial growth of heterostructured III-V semiconductor nanowires on graphene. Invited talk at South China University , Changsha 2017-04-19 - 2017-04-19

2016

• Faglig foredrag
  Helvoort, Antonius Van; Fauske, Vidar Tonaas; Huh, Junghwan; Divitini, G; Dheeraj, D.L.; Munshi, A. (2016) The kinetics and dynamics of Au-GaAs solid state replacements, studied by in situ TEM. Dens preScandem Workshop , Trondheim 2016-06-07 - 2016-06-07
• Faglig foredrag
  Nilsen, Julie Stene; Huh, Junghwan; Munshi, A; Dheeraj, D.L.; Fimland, Bjørn-Ove; Weman, Helge. (2016) Characterization of Pd/Ge/Au contacts on GaAs Nanowires. 67th Scandem Meeting , Trondheim 2016-06-07 - 2016-06-10
• Faglig foredrag
  Nilsen, Julie Stene; Huh, Junghwan; Munshi, A; Dheeraj, D.L.; Fimland, Bjørn-Ove; Weman, Helge. (2016) Transmission electron microscopy study of Pd/Ge/Au contacts to GaAs nanowires. 7th NanoNetwork workshop , Trondheim 2016-06-13 - 2016-06-15
• Faglig foredrag
  Ren, Dingding; Dheeraj, D.L.; Jin, C; Nilsen, Julie Stene; Huh, Junghwan; Reinertsen, Johannes F. (2016) Self-catalyzed GaAsSb nanowires grown on silicon and graphene by molecular beam epitaxy: high-yield with stabilized crystal phase. 7th NanoNetwork workshop , Trondheim 2016-06-13 - 2016-06-15
• Poster
  Høiaas, Ida Marie; KIM, DONG CHUL; Weman, Helge. (2016) Aluminum-induced crystallization of Si on graphene for optoelectronic devices. Carbonhagen 2016 , København 2016-08-17 - 2016-08-18
• Poster
  Mukherjee, Anjan; KIM, DONG CHUL; Yun, Hoyeol; Munshi, Mazid; Dasa, Dheeraj; Fimland, Bjørn-Ove. (2016) Comparison Study of Bottom- & Top- Graphene/Single GaAs Nanowire Contacts for Optoelectronic Applications. The Nano NTNU Symposium 2016 , Trondheim 2016-11-17 - 2016-11-18
• Vitenskapelig foredrag
  Nilsen, Julie Stene; Huh, Junghwan; Munshi, A Mazid; Dheeraj, D.L.; Fimland, Bjørn-Ove; Weman, Helge. (2016) Pd/Ge/Au contacts on GaAs Nanowires. Nano@NTNU workshop , Trondheim 2016-11-17 - 2016-11-18
• Poster
  Nilsen, Julie Stene; Mosberg, Aleksander Buseth; Garmannslund, Andreas; Reinertsen, Johannes F; Munshi, A Mazid; Dheeraj, D.L.. (2016) Self-Induced Compositional Variations in GaAs/AlGaAs Core-Shell Nanowires. European Microscopy Congress 2016 , Lyon 2016-08-28 - 2016-09-02
• Poster
  Høiaas, Ida Marie; KIM, DONG CHUL; Weman, Helge. (2016) Large-grained Si(111) crystalline thin film on graphene by aluminum-induced crystallization. Graphene 2016 , Genoa 2016-04-18 - 2016-04-22
• Vitenskapelig foredrag
  Weman, Helge. (2016) Epitaxial growth of heterostructured III-V semiconductor nanowires on graphene. Invited talk in Prof. Zetian Mi's and Thomas Szkopek's group, McGill University, Montreal , Montreal 2016-10-21 - 2016-10-21
• Faglig foredrag
  Ren, Dingding; Dheeraj, D.L.; Nilsen, Julie Stene; Huh, Junghwan; Helvoort, Antonius Van; Weman, Helge. (2016) Effects of Sb on Crystal Phase, Morphology and Optical Emission of Self-catalyzed GaAsSb Nanowires on Si(111) and Graphitic Substrates. 19th International Conference on Molecular Beam Epitaxy , Montpellier 2016-09-04 - 2016-09-09
• Vitenskapelig foredrag
  Weman, Helge. (2016) Epitaxial growth of semicondcutor nanowires on graphene. Invited talk in Prof. Bhattacharya's group, TIFR-Mumbai , Mumbai 2016-08-03 - 2016-08-03
• Intervju
  Weman, Helge. (2016) Grafén – fremtidens superstoff. NITO Refleks NITO Refleks [null] 2016-01-18
• Faglig foredrag
  Weman, Helge. (2016) Ultraviolet LEDs: A killer application for graphene?. 2nd Annual China International Graphene Summit , Shanghai 2016-01-20 - 2016-01-21
• Vitenskapelig foredrag
  Weman, Helge. (2016) III-V semiconductor nanowires grown on Si and graphene for optoelctronic applications. Invited talk in Prof. Kawakami's group, Kyoto University, Japan , Kyoto 2016-04-20 - 2016-04-20
• Faglig foredrag
  Mulyo, Andreas Liudi; Konno, Yuta; Fimland, Bjørn-Ove; Weman, Helge; Kishino, Katsumi. (2016) Self-Organized Vertical GaN Nanocolumns Grown on Silica Glass by RF-Molecular Beam Epitaxy. 19th International Conference on Molecular Beam Epitaxy , Montpellier 2016-09-04 - 2016-09-09
• Poster
  KIM, DONG CHUL; Jungtae, Nam; Hoyeol, Yun; Seungjin, Nam; Yeong, Hwang Jun; Wook, Lee Sang. (2016) Investigation of graphene growth on platinium by chemical vapor deposition. Graphene2016 , Genoa 2016-04-18 - 2016-04-22
• Faglig foredrag
  Mulyo, Andreas Liudi; Konno, Yuta; Weman, Helge; Kishino, Katsumi. (2016) Self-Organized GaN Nanocolumns Grown on Silica Glass by RF-Molecular Beam Epitaxy. Japanese Physical Society Spring Meeting , Tokyo 2016-03-19 - 2016-03-22
• Poster
  KIM, DONG CHUL; Jungtae, Nam; Hoyeol, Yun; Seungjin, Nam; Yeong, Hwang Jun; Wook, Lee Sang. (2016) Chemical vapor deposition of graphene and its physisorption strain on Pt substrates. Carbonhagen 2016 , Copenhagen 2016-08-17 - 2016-08-18
• Faglig foredrag
  Weman, Helge. (2016) Epitaxial growth of semiconductor nanostructures on graphene: Generic model and a potential first device application. NanoSpain 2016 , Logrono 2016-03-15 - 2016-03-18
• Faglig foredrag
  Weman, Helge. (2016) Epitaxial growth of semiconductor nanostructures on graphene: A solution for UV LEDs. Graphene Canada 2016 , Montreal 2016-10-18 - 2016-10-20
• Vitenskapelig foredrag
  Mulyo, Andreas Liudi; Konno, Yuta; Fimland, Bjørn-Ove; Weman, Helge; Kishino, Katsumi. (2016) Growth of Self-Organized Vertical GaN Nanocolumns Utilizing AlN as Nucleation Sites on Single Layer Graphene/Silica Glass by Molecular Beam Epitaxy. International Workshop on Nitride Semiconductors (IWN 2016) , Orlando 2016-10-02 - 2016-10-07
• Faglig foredrag
  Ren, Dingding; Huh, Junghwan; Dheeraj, D.L.; Weman, Helge; Fimland, Bjørn-Ove. (2016) Ga­diffusion Induced Morphological and Compositional Variations in Self­Catalyzed GaAsSb Nanowire Array. MRS 2016 Fall Meeting NM1: Semiconducting Nanowires, Nanoribbons and HeterostructuresSynthesis, Characterizations and Functional Devices , Boston 2016-11-27 - 2016-12-02
• Faglig foredrag
  Weman, Helge. (2016) AlGaN Nanowire/Graphene Deep UV LEDs. 13th China International Forum on Solid State Lighting (SSLCHINA 2016) , Beijing 2016-11-15 - 2016-11-17

2015

• Vitenskapelig foredrag
  Weman, Helge. (2015) III-V semiconductor nanowires on graphene for photonic applications. Invited talk in Prof. Zhiqiang Liu's group, State Key Lab on Solid State Lighting , Beijing 2015-11-08 - 2015-11-08
• Faglig foredrag
  Weman, Helge. (2015) High-efficiency AlGaN nanowire/graphene deep UV LEDs. LED Taiwan 2015 TechXPOT , Taipei 2015-03-25 - 2015-03-27
• Vitenskapelig foredrag
  Nilsen, Julie Stene; Reinertsen, Johannes F; Mosberg, Aleksander Buseth; Fauske, Vidar Tonaas; Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi. (2015) Compositional variations in the shells of GaAs/AlGaAs core-shell nanowires. MMC/EMAG , Manchester 2015-06-29 - 2015-07-02
• Poster
  Nilsen, Julie Stene; Reinertsen, Johannes F; Mosberg, Aleksander Buseth; Fauske, Vidar Tonaas; Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi. (2015) Radial composition variations in the shells of GaAs/AlGaAs core-shell nanowires. Nano@NTNU , Trondheim 2015-11-11 - 2015-11-11
• Poster
  Høiaas, Ida Marie Eriksdatter; Ren, Dingding; Reinertsen, Johannes F; KIM, DONG CHUL; Fimland, Bjørn-Ove; Weman, Helge. (2015) GaAs Nanowire Growth on [111]-oriented Silicon with sub-grain Thickness. Nano Network Workshop , Oslo 2015-06-15 - 2015-06-17
• Faglig foredrag
  Weman, Helge. (2015) Nanowire/Graphene UV LEDs. China Graphene Innovation Award , Wuxi 2015-09-05 - 2015-09-05
• Intervju
  Weman, Helge. (2015) Forskere vil bli kvitt kvikksølvlamper. Gemini Gemini [null] 2015-07-02
• Intervju
  Weman, Helge. (2015) Norske forskere vil utkonkurrere kvikksølv i vannrensing. Teknisk Ukeblad Teknisk Ukeblad [null] 2015-07-02
• Faglig foredrag
  Weman, Helge. (2015) Lysdioder. Invetert forelesning for 4e klasse Energi og Miljø , Trondheim 2015-09-28 - 2015-09-28
• Vitenskapelig foredrag
  Weman, Helge. (2015) Heterostructured III-V nanowires grown on Si and graphene for photonic applications. Invited talk in Prof. Samuelson's group, Lund University, Sweden , Lund 2015-04-20 - 2015-04-20
• Intervju
  Weman, Helge. (2015) Nanordsun; Semiconductor nanowire-based solar cells. Solving the Climate Crisis- A Nordic Contribution Solving the Climate Crisis- A Nordic Contribution [Journal] 2015-09-01
• Programdeltagelse
  Weman, Helge. (2015) Grafén - framtidens vidundermateriale?. NRK Kunnskapskanalen NRK Kunnskapskanalen [null] 2015-04-18
• Vitenskapelig foredrag
  Weman, Helge. (2015) III-V semiconductor nanowiress grown on Si and graphene for photonic applications. Invited talk in Prof. Kishino's group, Sophia University, Tokyo , Tokyo 2015-02-16 - 2015-02-16
• Intervju
  Weman, Helge. (2015) Grafén-Stoffenes Usain Bolt. NITO Refleks medlemsavis Høst 2015 NITO Refleks medlemsavis Høst 2015 [null] 2015-09-01
• Vitenskapelig foredrag
  Weman, Helge. (2015) Epitaxial growth of semiconductor nanowires on graphene. 1st Int. Conf. on Graphene Technology , Aveiro 2015-07-20 - 2015-07-22
• Vitenskapelig foredrag
  Weman, Helge. (2015) Epitaxial growth of semiconductor nanowires on graphene: Generic model and potential device applications. Graphene Science Symposium , Boston 2015-09-21 - 2015-09-22
• Faglig foredrag
  Weman, Helge. (2015) Nanoteknologi. Teknologisprang for utvikling av havrommet , Trondheim 2015-09-09 - 2015-09-09
• Vitenskapelig foredrag
  Weman, Helge. (2015) III-V semiconductor nanowires grown by MBE on silicon and graphene for photonic applications. Invited talk in Prof. Silke Christiansen's group, Max Planck Inst., Erlangen , Erlangen 2015-01-16 - 2015-01-16
• Vitenskapelig foredrag
  Ren, Dingding; Dheeraj, D.L.; Huh, Junghwan; Reinertsen, Johannes F; Mazid, A. M.; Kim, Dong-Chul. (2015) High-yield self-catalyzed GaAsSb/GaAs heterostructured nanowire array on Si(111) by molecular beam epitaxy. Nano@NTNU , Trondheim 2015-11-11 - 2015-11-11
• Vitenskapelig foredrag
  Fauske, Vidar Tonaas; Erlbeck, Maximilian; Huh, Junghwan; KIM, DONG CHUL; Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi. (2015) In-situ electronic probing of semiconducting nanowires in an electron microscope. 19th Microscopy of Semiconducting Materials , Cambridge 2015-03-29 - 2015-04-02
• Poster
  Nilsen, Julie Stene; Reinertsen, Johannes F; Mosberg, Aleksander Buseth; Fauske, Vidar Tonaas; Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi. (2015) Self-Induced Formation of Quantum Structures in the Shell of GaAs/AlGaAs Core-Shell Nanowires. Myfab/NorFab user meeting 2015 , Lund 2015-04-21 - 2015-04-22
• Intervju
  Weman, Helge. (2015) -Når vi lykkes, vil vi tjene store penger. Dagens Näringsliv Dagens Näringsliv [null] 2015-11-30
• Poster
  Høiaas, Ida Marie Eriksdatter; Ren, Dingding; KIM, DONG CHUL; Reinertsen, Johannes F; Fimland, Bjørn-Ove; Weman, Helge. (2015) GaAs Nanowire Growth on [111]-oriented Silicon with sub-grain Thickness. MyFab and NorFab user meeting , Lund 2015-04-21 - 2015-04-22
• Faglig foredrag
  Weman, Helge. (2015) Selective-area growth of GaN/AlGaN nanostructures on graphene for high-efficiency deep UV LEDs. 12th China international forum on solid state lighting , Shenzhen 2015-11-02 - 2015-11-04
• Poster
  Munshi, Abdul Mazid; Ren, Dingding; Narayana, Dheeraj Dasa Lakshmi; Fauske, Vidar Tonaas; Aas, Lars Martin Sandvik; Helvoort, Antonius Van. (2015) On the growth of self-catalyzed GaAs nanowires on Si substrates: Opportunities and limitations. 31st North American Conference on Molecular Beam Epitaxy , Mayan Riviera 2015-10-04 - 2015-10-07
• Intervju
  Weman, Helge. (2015) Materials Innovations Help LEDs Turn On. Photonics Spectra June 2015 Photonics Spectra June 2015 [Journal] 2015-06-01
• Intervju
  Fimland, Bjørn-Ove; Weman, Helge. (2015) Denne lager superstoff som kan forandre verden. Universitetsavisa Universitetsavisa [null] 2015-03-09
• Poster
  Ren, Dingding; Høiaas, Ida Marie; Reinertsen, Johannes F; Narayana, Dheeraj Dasa Lakshmi; Munshi, Abdul Mazid; Huh, Junghwan. (2015) Growth optimization for self-catalyzed GaAs nanowires on metal induced crystallized amorphous substrate. 31st North American Conference on Molecular Beam Epitaxy , Mayan Riviera 2015-10-04 - 2015-10-07
• Faglig foredrag
  Weman, Helge. (2015) Deep Ultraviolet LEDs: A killer Application for Graphene?. Graphene and 2D Materials , Berlin 2015-04-28 - 2015-04-29
• Intervju
  Weman, Helge. (2015) Nobelprisen i fysikk 2014. Fra fysikkens verden no.1 2015 Fra fysikkens verden no.1 2015 [null] 2015-01-01
• Intervju
  Weman, Helge. (2015) Ett steg nærmere grafénprodukter. Elektronikknett no.1 2015 Elektronikknett no.1 2015 [null] 2015-01-01
• Intervju
  Weman, Helge. (2015) 단일 나노선 고효율 응용소자’ 개발 High-efficiency single nanowire device developed. ConsumerWide ConsumerWide [null] 2015-05-22
• Poster
  Huh, Junghwan; Yun, Hoyeol; Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Lee, Sang Wook; Kim, Dong-Chul. (2015) Photocurrent Mapping of Single GaAsSb Nanowire Diodes. Nanowire Growth Workshop 2015 , Barcelona 2015-10-26 - 2015-10-30
• Vitenskapelig foredrag
  Ren, Dingding; Narayana, Dheeraj Dasa Lakshmi; Huh, Junghwan; Reinertsen, Johannes F; Munshi, Abdul Mazid; Kim, Dong-Chul. (2015) High-yield Self-catalyzed GaAsSb/GaAs Heterostructured Nanowire Array on Si(111) by Molecular Beam Epitaxy. Nanowire Growth Workshop 2015 , Barcelona 2015-10-26 - 2015-10-30
• Intervju
  Fimland, Bjørn-Ove; Weman, Helge. (2015) I verdenstoppen på nanoteknologi. Forskningsrådet FORNY Forskningsrådet FORNY [null] 2015-03-10
• Vitenskapelig foredrag
  Heilmann, Martin; Munshi, Abdul Mazid; Tessarek, Christian; Sarau, George; Bashouti, Mohammad; Göbelt, Manuela. (2015) Metal-organic vapor phase epitaxy of GaN nanorods on graphene. 6th Int. symposium on growth of III-nitrides , Hamamatsu 2015-11-08 - 2015-11-13
• Poster
  Reinertsen, Johannes F; Nilsen, Julie Stene; Mosberg, Aleksander Buseth; Fauske, Vidar Tonaas; Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi. (2015) Self-Induced Formation of Quantum Well Tubes in Self-Catalyzed GaAs/AlGaAs Core-Shell Nanowires. 582. WE-Heraeus-Seminar on III-V Nanowire Photonics , Bad Honnef 2015-03-22 - 2015-03-25
• Faglig foredrag
  Høiaas, Ida Marie; KIM, DONG CHUL; Weman, Helge. (2015) Silicon-graphene heterostructure for optoelectronic devices. 7th Nanonetwork workshop , Trondheim 2015-06-13 - 2016-06-15

2014

• Vitenskapelig foredrag
  Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Fauske, Vidar Tonaas; Reinertsen, Johannes F; Ahtapodov, Lyubomir; Lee, KD. (2014) Position controlled GaAs nanowires on 2-inch Si wafers using nanoimprint lithography. MRS Spring Meeting , San Francisco 2014-04-22 - 2014-04-22
• Faglig foredrag
  Weman, Helge. (2014) Halvleder-nanotråder på grafén for neste generasjon IKT. Invetert forelesning for 1e klasse ELSYS , Trondheim 2014-11-22 - 2014-11-22
• Faglig foredrag
  Weman, Helge. (2014) Nobelprisen i fysikk 2014. Årets Nobelpris i fysikk , Trondheim 2014-12-18 - 2014-12-18
• Vitenskapelig foredrag
  Weman, Helge. (2014) Towards low-cost, high-efficiency semiconductor nanowire/graphene solar cells. Bring the Nanoworld Together , New Delhi 2014-11-27 - 2014-11-28
• Vitenskapelig foredrag
  Weman, Helge. (2014) III-V semiconductor nanowires@NTNU. Nanolab 10th aniversium , Trondheim 2014-11-10 - 2014-11-11
• Vitenskapelig foredrag
  Svendsen, Guro Kristin; Skaar, Johannes; Weman, Helge; Dupertuis, M.-A.. (2014) Symmetries and optical transitions of hexagonal quantum dots in GaAs/AlGaAs nanowires. ICPS 2014 , Austin, Texas, USA 2014-08-10 - 2014-08-15
• Intervju
  Weman, Helge. (2014) Smått og godt. Dagens Næringsliv Dagens Næringsliv [null] 2014-04-10
• Vitenskapelig foredrag
  Signorello, G.; Lörtscher, E; Khomyakov, P.A.; Karg, S.; Narayana, Dheeraj Dasa Lakshmi; Gotsmann, B.. (2014) Inducing a Direct-to-Pseudodirect Bandgap Transition in Wurtzite GaAs Nanowires with Uniaxial Stress. MRS 2014Spring Meeting , San Francisco 2014-04-21 - 2014-04-25
• Intervju
  Weman, Helge. (2014) Bedre solceller og LED-lys. Aftenposten Aftenposten [null] 2014-04-11
• Vitenskapelig foredrag
  Signorello, G.; Lörtscher, E; Khomyakov, P.A.; Karg, S.; Narayana, Dheeraj Dasa Lakshmi; Gotsmann, B.. (2014) Inducing a direct-to-pseudodirect bandgap transition in wutzite GaAs nanowires with uniaxial stress. Nanowire2014 , Eindhoven 2014-08-25 - 2014-08-29
• Intervju
  Weman, Helge. (2014) Nano-kongene. Finansavisen Finansavisen [null] 2014-08-23
• Intervju
  Weman, Helge. (2014) Dette er fremtidens supermateriale. Adressa Adressa [null] 2014-03-26
• Intervju
  Weman, Helge. (2014) Tweaking nanowires boosts solar cell and LED outputs. optics.org optics.org [Internet] 2014-04-24
• Intervju
  Weman, Helge. (2014) New physical phenomenon on nanowires seen for the first time. phys.org phys.org [Internet] 2014-04-14
• Vitenskapelig foredrag
  Lim, Cheng Guan; Weman, Helge. (2014) Enhancing the Light-Matter Interactions in Radial p-n Junction Core-Shell Nanowires for Highly Efficient Nanowire Solar Cells. MRS 2014Spring Meeting , San Francisco 2014-04-21 - 2014-04-25
• Intervju
  Weman, Helge. (2014) Better solar cells, better LED light and vast optical possibilities. phys.org phys.org [Internet] 2014-04-14
• Vitenskapelig foredrag
  Weman, Helge. (2014) Heterostructured III-V nanowires grown on Si and graphene for photonic applications. Invited Seminar in Prof. Xiong Qihua's group at Nanyang Technical Univeristy, Singapore , Singapore 2014-03-12 - 2014-03-12
• Vitenskapelig foredrag
  Weman, Helge. (2014) Towards flexible high-efficiency semiconductor nanowire/graphene solar cells. Invited talk: Nanofair 2014 , Dresden 2014-07-01 - 2014-07-03
• Intervju
  Weman, Helge. (2014) Nanowire light-emitting diodes. nanotechmag.com nanotechmag.com [Internet] 2014-04-10
• Intervju
  Weman, Helge. (2014) Better solar cells, better LED light and vast optical possibilities. Science Daily Science Daily [Internet] 2014-04-11
• Intervju
  Weman, Helge. (2014) Graphene and a modified structure of nanowires will improve solar cells and LED lighting. alternative-energies.net alternative-energies.net [Internet] 2014-04-18
• Vitenskapelig foredrag
  Weman, Helge. (2014) How a Norwegian university project became the nanotech start-up CrayoNano. Invited talk :International Forum on the Nanotechnology Commercialization 2014" , Seoul 2014-06-11 - 2014-06-12
• Intervju
  Weman, Helge. (2014) Nanokunnskap gir supersolceller. Gemini.no og forskning.no Gemini.no og forskning.no [null] 2014-04-11
• Vitenskapelig foredrag
  Weman, Helge. (2014) Towards low cost high efficiency semiconductor nanowire graphene solar cells. Invited talk: 1 st International Symposium on Energy Challenges and Mechanics , Aberdeen 2014-07-08 - 2014-07-10
• Vitenskapelig foredrag
  Fauske, Vidar Tonaas; Huh, Junghwan; Erlbeck, Maximilian; KIM, DONG CHUL; Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi. (2014) In-situ electronic probing of nanostructures in a FIB. Nanolab 10th aniversium , Trondheim 2014-11-10 - 2014-11-11
• Poster
  Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Fauske, Vidar Tonaas; Ren, Dingding; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2014) Limitations of self-catalytic growth in controlling the diameter of GaAs nanowires on Si substrates. Nanowire2014 , Eindhoven 2014-08-25 - 2014-08-29
• Poster
  Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Fauske, Vidar Tonaas; Ren, Dingding; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2014) Limitations of self-catalytic growth in controlling the diameter of GaAs nanowires on Si substrates. MBE2014 , Flagstaff 2014-09-07 - 2014-09-12
• Intervju
  Weman, Helge. (2014) Fremtidens supermateriale. Aftenposten Aftenposten [null] 2014-03-25
• Intervju
  Weman, Helge. (2014) Tuning a single nanowire improves solar cells and LEDs. nanowerk.com nanowerk.com [Internet] 2014-04-11
• Intervju
  Weman, Helge. (2014) New physical phenomenon on nanowires seen for the first time. nanowerk.com nanowerk.com [Internet] 2014-04-11
• Poster
  Lim, Cheng Guan; Weman, Helge. (2014) Optimal Solar Cell Efficiency of Radial p-n Junction GaAs/AlGaAs Core-Shell Nanowire Arrays. EU PVSEC 2014 , Amsterdam 2014-09-22 - 2014-09-26
• Intervju
  Weman, Helge. (2014) IBM Combines Light Emission and Detection in Single Nanowire. IEEE Spectrum IEEE Spectrum [Journal] 2014-04-14
• Intervju
  Weman, Helge. (2014) Stress Activates Light-Emitting Nanowires. Photonics Photonics [Journal] 2014-04-23
• Intervju
  Weman, Helge. (2014) Strain and light emission in gallium arsenide nanowires. Semiconductor-today.com Semiconductor-today.com [Journal] 2014-04-28
• Intervju
  Weman, Helge. (2014) Grønt lys for en ny verden. Tekna Magasinet No.1 2014 Tekna Magasinet No.1 2014 [null] 2014-02-18
• Poster
  Kauko, Hanne; Grieb, Tim; Munshi, Abdul Mazid; Müller, Knut; Weman, Helge; Rosenauer, A.. (2014) The outward diffusion of Sb during growth of antimonide III-V nanowires. 8th Nanowire Growth Workshop , Eindhoven 2014-08-25 - 2014-08-27
• Vitenskapelig foredrag
  Huh, Junghwan; Yun, H.; KIM, DONG CHUL; Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Kauko, Hanne. (2014) GaAsSb nanowire diodes based on self-induced compositional variation. Nanowire2014 , Eindhoven 2014-08-25 - 2014-08-29

2013

• Poster
  Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Fauske, Vidar Tonaas; KIM, DONG CHUL; Todorovic, Jelena; Huh, Junghwan. (2013) GaAs nanowires grown on silicon and graphene for solar cell application. 4th annual NanoNetwork Workshop , Bergen 2013-06-17 - 2013-06-19
• Poster
  Kauko, Hanne; Munshi, Abdul Mazid; Lim, Cheng Guan; KIM, DONG CHUL; Narayana, Dheeraj Dasa Lakshmi; Fimland, Bjørn-Ove. (2013) Novel solar cells based on GaAs/AlGaAs core-shell nanowires. 4th annual Nanonetwork workshop , Bergen 2013-06-17 - 2013-06-19
• Vitenskapelig foredrag
  Fauske, Vidar Tonaas; KIM, DONG CHUL; Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Fimland, Bjørn-Ove; Weman, Helge. (2013) Mechanical and electrical characterization of nanowire-substrate interfaces. 4th Annual Nanonetwork Workshop , Bergen 2013-06-17 - 2013-06-19
• Poster
  Narayana, Dheeraj Dasa Lakshmi; Munshi, Abdul Mazid; Fauske, Vidar Tonaas; KIM, DONG CHUL; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2013) Epitaxial growth and characterization of vertical III-V semiconductor nanowires on graphene. 7th Nanowire Growth Workshop , Lausanne 2013-06-10 - 2013-06-12
• Poster
  Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Fauske, Vidar Tonaas; Helvoort, Antonius Van; Fimland, Bjørn-Ove; Weman, Helge. (2013) Limitations of self-catalytic growth in controlling diameter of GaAs nanowires on Si substrates. 7th Nanowire Growth Workshop , Lausanne 2013-06-10 - 2013-06-12
• Faglig foredrag
  Weman, Helge. (2013) Grafén-og nanoblyanter. Kunnskapsbyen , Trondheim 2013-11-27 - 2013-11-27
• Vitenskapelig foredrag
  Weman, Helge. (2013) Heterostructured III-V nanowires grown on Si and graphene for photonic applications. Invited talk at University of Copenhagen , Copenhagen 2013-11-01 - 2013-11-01
• Vitenskapelig foredrag
  Weman, Helge. (2013) III-V nanowire/graphene hybrid structures-A platform for future devices. Nanoscale communication technologies , Trondheim 2013-10-17 - 2013-10-17
• Faglig foredrag
  Weman, Helge. (2013) NaNordSun-Semiconductor Nanowire Based Solar Cells. Nordic Innovation meeting on Top-level Research Initiative , Copenhagen 2013-11-22 - 2013-11-22
• Faglig foredrag
  Weman, Helge. (2013) II-V semiconductor nanowire project at NTNU. Norway-Texas meeting at NTNU , Trondheim 2013-10-15 - 2013-10-15
• Vitenskapelig foredrag
  Weman, Helge. (2013) Heterostructured III-V nanowires grown on Si and graphene substrates for photonic applications. Invited talk in Prof. Yong-Hee Lee's group at Sungkyunkwan University , Suwon 2013-03-19 - 2013-03-19
• Poster
  Lim, Cheng Guan; Weman, Helge. (2013) Design guidelines for radial p-n junction GaAs/AlGaAs core-shell nanowire solar cells. Nanowires-2013 , Rehovot 2013-11-12 - 2013-11-15
• Vitenskapelig foredrag
  Weman, Helge. (2013) Heterostructured III-V nanowires grown on Si and graphene for solar cell applications. Invited talk in Prof. Hingwei Zhu's group at Tsinghua University , Beijing 2013-03-22 - 2013-03-22
• Vitenskapelig foredrag
  Weman, Helge. (2013) Heterostructured III-V nanowires grown on Si and graphene for photonic applications. Invited talk in Prof. Jianhua Zhao's group at Inst. of Semiconductors Chinese Academy of Sciences , Beijing 2013-03-25 - 2013-03-25
• Vitenskapelig foredrag
  Lim, Cheng Guan; Weman, Helge. (2013) Numerical Analysis and Device Optimization of Radial p-n Junction GaAs/AlGaAs Core-Shell Nanowire Solar Cells. 13th Int. Conf. on Numerical Simulations of Optoelectronic Devices , Vancouver 2013-08-19 - 2013-08-22
• Poster
  Huh, Junghwan; Kim, Dong-Chul; Yun, H.; Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Kim, G.T.. (2013) Electrical properties of III-V semiconductor nanowires for solar cell applications. 4th Annual Nanonetwork Workshop , Bergen 2013-06-17 - 2013-06-19
• Poster
  Ghalamestani, Sepideh Gorji; Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Fimland, Bjørn-Ove; Weman, Helge; Dick, Kimberly A. (2013) Self-catalyzed MBE grown GaAs/GaAsSb core-shell nanowires in ZB and WZ crystal structures. 7th Nanowire Growth Workshop , Lausanne 2013-06-10 - 2013-06-12
• Vitenskapelig foredrag
  Weman, Helge. (2013) Epitaxial growth of semiconductor nanowires on graphene:Generic model and potential device applications. Physical Sciences Symposia – 2013 on ‘Crystal & Graphene Science , Boston 2013-09-04 - 2013-09-05
• Poster
  Ahtapodov, Lyubomir; Kauko, Hanne; Munshi, Abdul Mazid; Fimland, Bjørn-Ove; Helvoort, Antonius Van; Weman, Helge. (2013) Optical properties of self-catalyzed GaAs Nanowires with axial GaAsSb inserts. Nanowires-2013 , Rehovot 2013-11-12 - 2013-11-15
• Poster
  Nam, J.; Kim, Dong-Chul; Andersen, P.C.; Park, S.J.; Dae, D.J.; Munshi, Abdul Mazid. (2013) Synthesis and characterization of graphene on Pt using CVD. Korean Physical Society Spring Meeting , Daejon 2013-04-24 - 2013-04-26
• Vitenskapelig foredrag
  Weman, Helge. (2013) Epitaxial growth of vertical III-V semiconductor nanowires on graphene. The Collaborative Conference on Crystal Growth , Cancun 2013-06-10 - 2013-06-13
• Vitenskapelig foredrag
  Weman, Helge. (2013) Heterostructured III-V nanowires grown by molecular beam epitaxy on Si and graphene substrates. Invited talk in Prof. Yapin Dang's group at Jia Tong University , Shanghai 2013-03-13 - 2013-03-13
• Vitenskapelig foredrag
  Weman, Helge. (2013) Heterostructured III-V nanowires grown by molecular beam epitaxy on Si and graphene substrates. Invited talk in Prof. Wei Lu's group at Shanghai Institute of Technical Physics, , Shanghai 2013-03-12 - 2013-03-12
• Vitenskapelig foredrag
  Weman, Helge. (2013) Heterostructured III-V nanowires grown on Si and graphene for photonic applications. Invited talk in Xiamin Ren's group at Beijing University of Posts and Telecommunications , Beijing 2013-03-22 - 2013-03-22
• Vitenskapelig foredrag
  Weman, Helge. (2013) Semiconductor nanowires grown on graphene. 4th annual NanoNetwork Workshop , Bergen 2013-06-17 - 2013-06-19
• Vitenskapelig foredrag
  Huh, Junghwan; Kim, Dong-Chul; Yun, H.; Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Kauko, Hanne. (2013) Effects on compositional variation on the electrical property of GaAsSb nanowires. MRS 2013 Fall Meeting , Boston 2013-12-02 - 2013-12-06
• Intervju
  Weman, Helge. (2013) Grafén – supermateriale som vil revolusjonere fremtidens datamaskin. IKT nytt IKT nytt [null] 2013-07-13
• Intervju
  Weman, Helge. (2013) Måtte holde teknologien hemmelig. Teknisk Ukeblad Teknisk Ukeblad [null] 2013-02-04
• Programdeltagelse
  Weman, Helge; Fimland, Bjørn-Ove; Kim, Dong-Chul. (2013) Grafén-Forbløffende superstoff. NRK Schrödingers katt NRK Schrödingers katt [null] 2013-03-14
• Intervju
  Weman, Helge. (2013) Graphene and Semiconductor Technology Together: Smaller, Cheaper, Better. Science Daily Science Daily [Internet] 2013-06-11
• Intervju
  Weman, Helge. (2013) En planlagt tilfeldighet. Forskingsbladet Forskingsbladet [null] 2013-06-07
• Intervju
  Weman, Helge; Fimland, Bjørn-Ove; Kim, Dong-Chul. (2013) På vei mot noe stort. Forskningsrådet Forskningsrådet [null] 2013-05-15
• Intervju
  Weman, Helge. (2013) Graphene and semiconductor technology together: smaller, cheaper, better. Forskningsrådet Forskningsrådet [Internet] 2013-05-30
• Intervju
  Weman, Helge. (2013) Mirakelmaterialet grafén vil føre til revolusjoner innen teknologi. Hardware.no Hardware.no [null] 2013-09-03
• Intervju
  Weman, Helge. (2013) Grafen forstærker lysets kraft. Videnskap DK Videnskap DK [null] 2013-04-01
• Faglig foredrag
  Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; KIM, DONG CHUL; Huh, Junghwan; Reinertsen, Johannes F; Ahtapodov, Lyubomir. (2013) Position Controlled GaAs Nanowires on Si using Nanoimprint Lithography. 8th Nanolab usermeeting , Trondheim 2013-11-12 - 2013-11-12
• Vitenskapelig foredrag
  Huh, Junghwan; KIM, DONG CHUL; Yun, H.; Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Kauko, Hanne. (2013) Electrical Characteristics of Individual GaAsSb Nanowires Grown by Molecular Beam Epitaxy. 8th Nanolab usermeeting , Trondheim 2013-11-12 - 2013-11-12
• Poster
  Kauko, Hanne; Munshi, Abdul Mazid; Lim, Cheng Guan; KIM, DONG CHUL; Narayana, Dheeraj Dasa Lakshmi; Fimland, Bjørn-Ove. (2013) GaAs/AlGaAs core-shell nanowires for novel solar cell applications. Nanokonferansen 2013 , Oslo 2013-03-18 - 2013-03-18
• Poster
  Kauko, Hanne; Munshi, Abdul Mazid; Lim, Cheng Guan; KIM, DONG CHUL; Narayana, Dheeraj Dasa Lakshmi; Fimland, Bjørn-Ove. (2013) GaAs/AlGaAs core-shell nanowires for novel solar cell applications. Norwegian Solar Cell Conferance 2013 , Oppdal 2013-03-13 - 2013-03-15
• Vitenskapelig foredrag
  Fauske, Vidar Tonaas; KIM, DONG CHUL; Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Fimland, Bjørn-Ove; Weman, Helge. (2013) In-situ electrical and structural characterization of individual GaAs nanowire. EMAG2013 , York 2013-09-02 - 2013-09-06
• Poster
  Fauske, Vidar Tonaas; Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; KIM, DONG CHUL; Fimland, Bjørn-Ove; Weman, Helge. (2013) Site-specific, cross-sectional TEM samples of as-grown nanowires by FIB. NorfFab/MyFab user meeting , Uppsala 2013-04-17 - 2013-04-18
• Vitenskapelig foredrag
  Ahtapodov, Lyubomir; Todorovic, Jelena; Reinertsen, Johannes F; Narayana, Dheeraj Dasa Lakshmi; Munshi, Abdul Mazid; Helvoort, Antonius Van. (2013) Optical Characterization of Single Semiconductor Nanowires. MYFAB&NORFAB Meetting , Uppsala 2013-04-17 - 2013-04-18
• Poster
  Narayana, Dheeraj Dasa Lakshmi; Munshi, Abdul Mazid; Fauske, Vidar Tonaas; KIM, DONG CHUL; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2013) Epitaxial growth of vertical III-V semiconductor nanowires on graphene. Graphene2013 , Bilbao 2013-04-23 - 2013-04-26

2012

• Poster
  Fauske, Vidar Tonaas; Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; CHUL, KIM DONG; Fimland, Bjørn-Ove; Weman, Helge. (2012) Site-specific, cross-sectional TEM samples of as-grown nanowires by FIB. 15th EMC , Manchester 2012-09-16 - 2012-09-21
• Vitenskapelig foredrag
  Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Fauske, Vidar Tonaas; CHUL, KIM DONG; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2012) Epitaxial Growth of High Quality Vertical GaAs Nanowires on Graphene by Molecular Beam Epitaxy. MRS Autumn meeting , Boston 2012-11-25 - 2012-11-25
• Vitenskapelig foredrag
  Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Todorovic, Jelena; Helvoort, Antonius Van; Fimland, Bjørn-Ove; Weman, Helge. (2012) Crystal phase tuning in self-catalyzed GaAs nanowires induced by Ga-droplet contact angle. MBE2012 , Nara 2012-09-23 - 2012-09-28
• Poster
  Narayana, Dheeraj Dasa Lakshmi; Munshi, Abdul Mazid; Christoffersen, Ole Morten; CHUL, KIM DONG; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2012) Growth and characterization of Be-doped GaAs nanowires grown by Au- and Ga-assisted molecular beam epitaxy. MBE2012 , Nara 2012-09-23 - 2012-09-28
• Vitenskapelig foredrag
  Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Fauske, Vidar Tonaas; CHUL, KIM DONG; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2012) A generic model and experimental demonstration of epitaxial growth of GaAs nanowires on graphene layers. MBE2012 , Nara 2012-09-23 - 2012-09-28
• Vitenskapelig foredrag
  Weman, Helge. (2012) III-V nanowires for high-efficiency solar cells. Transatlantic Science Week. Invited talk at "Nano-enabling technologies" , Houston 2012-11-14 - 2012-11-14
• Vitenskapelig foredrag
  Todorovic, Jelena; Anthonysamy, Fervin Moses; Ahtapodov, Lyubomir; Narayana, Dheeraj Dasa Lakshmi; Fimland, Bjørn-Ove; Weman, Helge. (2012) Correlation of optical and structural properties of single semiconductor heterostructured nanowires. Scandem 2012 , Bergen 2012-06-13 - 2012-06-15
• Vitenskapelig foredrag
  Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Todorovic, Jelena; Helvoort, Antonius Van; Fimland, Bjørn-Ove; Weman, Helge. (2012) GaAs nanowires grown on Si substrates: Crystal phase perfection, heterostructures and position control. 3rd Nano-network Workshop , Trondheim 2012-06-11 - 2012-06-11
• Vitenskapelig foredrag
  Ahtapodov, Lyubomir; Snustad, Ingrid; Gulla, Stian; Munshi, Abdul Mazid; Fimland, Bjørn-Ove; Helvoort, Antonius Van. (2012) Correlated micro photoluminescence and transmission electron microscopy on single self‐assisted GaAs/AlGaAs core‐shell nanowires. 7th Nanolab usermeeting , Trondheim 2012-12-12 - 2012-12-12
• Poster
  Ahtapodov, Lyubomir; Todorovic, Jelena; Olk, Phillip; mjaaland, T.S.; Slaattnes, P.R.T.; Narayana, Dheeraj Dasa Lakshmi. (2012) Optical Characterization of Single GaAs/AlGaAs Nanowires with Combined Photoluminescence Spectroscopy and Transmission Electron Microscopy on the Same Nanowire. 3rd Nano-network Workshop , Trondheim 2012-06-11 - 2012-06-13
• Vitenskapelig foredrag
  Fauske, Vidar Tonaas; Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Kim, Dong Chul; Fimland, Bjørn-Ove; Weman, Helge. (2012) Transmission Electron Microscopy Study of Defects at the Interface between GaAs Nanowires and a Si-111 Substrate. 3rd Nano-network Workshop , Trondheim 2012-06-11 - 2012-06-13
• Poster
  Fauske, Vidar Tonaas; Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; CHUL, KIM DONG; Fimland, Bjørn-Ove; Weman, Helge. (2012) FIB prepared site-specific cross-sectional TEM specimen of nanowire-substrate interfaces. 7th Nanolab usermeeting , Trondheim 2012-12-12 - 2012-12-12
• Vitenskapelig foredrag
  Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Fauske, Vidar Tonaas; CHUL, KIM DONG; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2012) Epitaxial growth of semiconductor III-V nanowires on graphene: A template for future opto-electronic device applications. 7th Nanolab usermeeting , Trondheim 2012-12-12 - 2012-12-12
• Vitenskapelig foredrag
  Ahtapodov, Lyubomir; Olk, Phillip; Todorovic, Jelena; Mjåland, Terje Sund; Slåttnes, Patrick Rene Tollefsen; Narayana, Dheeraj Dasa Lakshmi. (2012) Combined micro-photoluminescence and electron microscopy investigation of single GaAs nanowires. ICPS2012 , Zurich 2012-07-29 - 2012-08-03
• Vitenskapelig foredrag
  Weman, Helge. (2012) Heterostructured III-V nanowires grown by molecular beam epitaxy for photonic applications. Invited talk in Prof. Ruoff's group at University of Texas, Austin 2012-11-12 - 2012-11-12
• Faglig foredrag
  Weman, Helge. (2012) Commercialisation of Nanotechnology. Annual Top level Research program meeting 2012 , Helsinki 2012-10-29 - 2012-10-30
• Intervju
  Weman, Helge; Fimland, Bjørn-Ove. (2012) De kan revolusjonere verdens datateknologi. Aftenposten Aftenposten [null] 2012-12-02
• Poster
  Kim, Dong-Chul; Narayana, Dheeraj Dasa Lakshmi; Fimland, Bjørn-Ove; Weman, Helge. (2012) Investigation of wurtzite GaAs nanowires by polarization dependent photocurrent spectroscopy. ICPS 2012 , Zurich 2012-07-29 - 2012-08-03
• Faglig foredrag
  Weman, Helge. (2012) Semiconductor nanowires on graphene for next generation ICT. ITovation day 2012 2012-11-27 - 2012-11-27
• Intervju
  Weman, Helge; Fimland, Bjørn-Ove. (2012) NTNU-oppdagelse kan revolusjonere elektronikkbransjen. Adressa Adressa [null] 2012-09-11
• Vitenskapelig foredrag
  Weman, Helge. (2012) Heterostructured III-V semiconductor nanowires grown by Au and self-catalyzed MBE. Invited talk in Prof. Fukui's group at Hokkaido University, Sapporo , Sapporo 2012-10-01 - 2012-10-01
• Intervju
  Weman, Helge. (2012) Supertynt stoff kan strupe solindustrien. Dagens Næringsliv Dagens Næringsliv [null] 2012-09-11
• Vitenskapelig foredrag
  Weman, Helge. (2012) Heterostructured III-V semiconductor nanowires grown by Au and self-catalyzed MBE. Invited talk in Prof. Yi's group at Seoul National University 2012-10-05 - 2012-10-05
• Vitenskapelig foredrag
  Weman, Helge. (2012) Heterostructured III-V semiconductor nanowires grown by Au and self-catalyzed MBE. Invited talk in Dr.Notomi's group at NTT Basic Res. Lab, Atsugi 2012-10-03 - 2012-10-03
• Intervju
  Weman, Helge. (2012) NTNU-gjennombrudd for nanotråder på grafen. Digi.no Digi.no [null] 2012-09-11
• Intervju
  Weman, Helge; Fimland, Bjørn-Ove. (2012) Nanohalvledere på grafen revolutionerer solcellers effektivitet. Ingenjøren Ingenjøren [null] 2012-10-20
• Intervju
  Weman, Helge. (2012) Scientists create ultra-thin, cheap, flexible, transparent graphene semiconductors. Gizmag Gizmag [Internet] 2012-09-28
• Intervju
  Weman, Helge. (2012) 挪威科研人员成功研制半导体新材料. China.gov China.gov [null] 2012-10-31
• Intervju
  Weman, Helge. (2012) Graphene Replaces Traditional Silicon Substrates in Future Devices. IEEE Spectrum IEEE Spectrum [Internet] 2012-09-28
• Intervju
  Weman, Helge; Fimland, Bjørn-Ove. (2012) De kan revolusjonere verdens datateknologi. Bergens Tidene Bergens Tidene [null] 2012-12-02
• Intervju
  Weman, Helge. (2012) Researchers claim semiconductors grown on graphene. EE times EE times [Internet] 2012-09-10
• Poster
  Fauske, Vidar Tonaas; Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Kim, Dong Chul; Fimland, Bjørn-Ove; Weman, Helge. (2012) Characterization of the Interface between GaAs Nanowires and a 111-Si Substrate. MRS 2012 Spring Meeting , San Francisco 2012-04-09 - 2012-04-13
• Vitenskapelig foredrag
  Kim, Dong Chul; Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Lim, Cheng Guan; Fauske, Vidar Tonaas; Helvoort, Antonius Van. (2012) Semiconductor Nanowire Based Solar Cells-A Nordic Top-level Research Initiative. Technoporten , Trondheim 2012-04-16 - 2012-04-18
• Vitenskapelig foredrag
  Kim, Dong Chul; Ahtapodov, Lyubomir; Narayana, Dheeraj Dasa Lakshmi; Todorovic, Jelena; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2012) Photocurrent study of Single Wurtzite AlGaAs-GaAs Core/shell nanowires. MRS 2012 Spring Meeting , San Francisco 2012-04-09 - 2012-04-13
• Vitenskapelig foredrag
  Ahtapodov, Lyubomir; Todorovic, Jelena; Olk, Phillip; Kim, Dong Chul; mjaaland, T.S.; Eriksson, M. (2012) Wurtzite versus Zincblende GaAs – A Thorough Comparison. MRS 2012 Spring Meeting , San Francisco 2012-04-09 - 2012-04-13
• Vitenskapelig foredrag
  Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Kim, Dong Chul; Helvoort, Antonius Van; Fimland, Bjørn-Ove; Weman, Helge. (2012) Zinc blende and wurtzite GaAs nanowires grown by self-catalyzed molecular beam epitaxy. MRS 2012 Spring Meeting , San Francisco 2012-04-09 - 2012-04-13
• Faglig foredrag
  Weman, Helge. (2012) Nanoteknologi- Vad er det?. Luftkrigsskolen, Trondheim , Trondheim 2012-01-17 - 2012-01-17
• Vitenskapelig foredrag
  Weman, Helge. (2012) Heterostructured III-V nanowires grown by MBE. Invited Seminar in Prof. Xianfen Duan's group at UCLA , UCLA 2012-04-16 - 2012-04-16
• Faglig foredrag
  Weman, Helge. (2012) Halvleder nanotråder. Innovasjon Norge (medisin) besöker Trondheim , Trondheim 2012-06-28 - 2012-06-28
• Vitenskapelig foredrag
  Weman, Helge. (2012) Heterostructured III-V semiconductor nanowires for solar cell applications. Invited Seminar in Prof. SangWook Lee's group at Kunkuk Uni, Seoul , Seoul 2012-05-15 - 2012-05-15
• Vitenskapelig foredrag
  Weman, Helge. (2012) III-V Nanowire Solar Cells. Invited talk at 2012 meeting of The Norwegian Research Centre for Solar Cell Technology , Trondheim 2012-05-23 - 2012-05-23
• Vitenskapelig foredrag
  Narayana, Dheeraj Dasa Lakshmi; CHUL, KIM DONG; Munshi, Abdul Mazid; Lim, Cheng Guan; Fauske, Vidar Tonaas; Helvoort, Antonius Van. (2012) III-V semiconductor nanowire based solar cells. Mini‐workshop on materials for solar cells and other optoelectronic applications , NTNU, Trondheim 2012-09-11 -
• Vitenskapelig foredrag
  Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; CHUL, KIM DONG; Todorovic, Jelena; Fauske, Vidar Tonaas; Helvoort, Antonius Van. (2012) Self-catalyzed GaAs nanowires grown by molecular beam epitaxy. Mini‐workshop on materials for solar cells and other optoelectronic applications , NTNU, Trondheim 2012-09-11 -

2011

• Vitenskapelig foredrag
  Todorovic, Jelena; Anthonysamy, Fervin Moses; Narayana, Dheeraj Dasa Lakshmi; Olk, Phillip; Fimland, Bjørn-Ove; Weman, Helge. (2011) Correlated micro-photoluminescence and electron microscopy study of a heterostructured semiconductor nanowire. Microscopy of Semiconducting Materials 2011 (MSM XVII) , Cambridge 2011-04-04 - 2011-04-04
• Vitenskapelig foredrag
  Anthonysamy, Fervin Moses; Todorovic, Jelena; karlberg, Thomas; Helvoort, Antonius Van; Narayana, Dheeraj Dasa Lakshmi; Olk, Phillip. (2011) Consecutive Photoluminescence and Transmission Electron Microscopy Studies of Single GaAs/AlGaAs Core-shell Nanowires with a GaAsSb Insert. MRS Spring meeting 2011 , San Francisco 2011-04-25 - 2011-04-29
• Poster
  Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Todorovic, Jelena; Helvoort, Antonius Van; Fimland, Bjørn-Ove; Weman, Helge. (2011) Insights into Growth Mechanisms of Self-catalyzed GaAs Nanowires Grown by Molecular Beam Epitaxy. MRS Spring Meeting , San Francisco 2011-04-25 - 2011-04-29
• Vitenskapelig foredrag
  Anthonysamy, Fervin Moses; Todorovic, Jelena; Narayana, Dheeraj Dasa Lakshmi; Olk, Phillip; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2011) Consecutive optical and structural characterization of a single heterostructured III-V semiconductor nanowire. 2nd Nano-network Workshop , Oslo 2011-06-15 - 2011-06-17
• Faglig foredrag
  Weman, Helge. (2011) Guest seminar at Sungkyunkwan (Samsung) University: Nanotechnology at NTNU. Nanostudent excursion to Korea 2011 , Suwon 2011-04-27 - 2011-04-27
• Poster
  Munshi, Abdul Mazid; Kim, D.C.; Narayana, Dheeraj Dasa Lakshmi; Todorovic, Jelena; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2011) Positioned self-catalyzed GaAs nanowire arrays on Si substrates grown by molecular beam epitaxy. Nano-network Workshop , Oslo 2011-06-15 - 2011-06-15
• Poster
  Olk, Phillip; Härtling, Thomas; CHUL, KIM DONG; Weman, Helge. (2011) Contacting single nanowires by confocal photodeposition of metal. GDR Nanofils 2011 , Porquerolles 2011-10-17 - 2011-10-21
• Poster
  Ahtapodov, Lyubomir; Kim, D.C.; Boe, A.B.; Choi, J.W.; Ji, H.; Kim, G. T.. (2011) Photocurrent spectroscopy of single wurtzite GaAs nanowires. Heraeus seminar on III-V Nanowires , Bad Honnef 2011-02-21 - 2011-02-23
• Vitenskapelig foredrag
  Weman, Helge. (2011) Invited seminar on "Heterostructured III-V nanowires grown byAu-assisted molecular beam epitaxy". Heraeus seminar on III-V Nanowires , Bad Honnef 2011-02-21 - 2011-02-23
• Vitenskapelig foredrag
  Fauske, Vidar Tonaas; Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; CHUL, KIM DONG; Fimland, Bjørn-Ove; Weman, Helge. (2011) Cross-sectional Electron Microscopy characterization of the interface between GaAs Nanowires and a Si Substrate. 6th Nanolab usermeeting , Trondheim 2011-11-16 - 2011-11-16
• Vitenskapelig foredrag
  Kauko, Hanne; Grieb, Tim; Rosenauer, A.; Bjørge, Ruben; Munshi, Abdul Mazid; Weman, Helge. (2011) Composition analysis of heterostructured GaAs nanowires with quantitative HAADF-STEM. 6th Nanolab usermeeting , Trondheim 2011-11-16 - 2011-11-16
• Vitenskapelig foredrag
  Ahtapodov, Lyubomir; Olk, Phillip; Todorovic, Jelena; Mjåland, Terje Sund; Eriksson, M.; Bergman, P. (2011) Combined studies of single Au-assisted GaAs/AlGaAs core/shell nanowires with PL spectroscopy and TEM. PDI Topical Workshop on MBE-grown Arsenide Nanowires , Berlin 2011-09-08 - 2011-09-09
• Vitenskapelig foredrag
  Narayana, Dheeraj Dasa Lakshmi; Munshi, Abdul Mazid; CHUL, KIM DONG; Helvoort, Antonius Van; Fimland, Bjørn-Ove; Weman, Helge. (2011) Controlling crystal phases in GaAs nanowires grown by Au- and Ga-assisted MBE. PDI Topical Workshop on MBE-grown Arsenide Nanowires , Berlin 2011-09-08 - 2011-09-08
• Vitenskapelig foredrag
  Weman, Helge. (2011) Invited seminar: Heterostrucured III-V nanowires grown by Au- and self-assisted molecular beam epitaxy. PDI Topical Workshop on MBE-grown arsenide nanowires , Berlin 2011-09-08 - 2011-09-09
• Faglig foredrag
  Weman, Helge. (2011) Guest seminar at Korea University: Nanotechnology at NTNU. Nanostudent excursion to Korea 2011 , Seoul 2011-04-26 - 2011-04-26
• Faglig foredrag
  Weman, Helge. (2011) Guest seminar at Seoul National University: Nanotechnology at NTNU. Nanostudent excursion to Korea 2011 , Seoul 2011-04-25 - 2011-04-25
• Faglig foredrag
  Weman, Helge. (2011) Guest seminar at KAIST: Nanotechnology at NTNU. NTNU-KAIST nanotechnology workshop , Taejon 2011-04-22 - 2011-04-22
• Faglig foredrag
  Weman, Helge. (2011) Guest seminar at POSTECH: Nanotechnology at NTNU. Nanostudent excursion to Korea 2011 , Pohang 2011-04-21 - 2011-04-21
• Vitenskapelig foredrag
  Weigand, Christian Carl; Skåre, Daniel; Tveit, Johannes; Ladam, Cecile; Holmestad, Randi; Grepstad, Jostein. (2011) Growth of ZnO nanostructures on c- and a-plane sapphire by Au-assisted pulsed laser deposition. GDR Semiconductor Nanowires and Nanotubes , Porquerolles 2011-10-17 - 2011-10-21
• Vitenskapelig foredrag
  Olk, Phillip; Härtling, Thomas; CHUL, KIM DONG; Weman, Helge. (2011) All-optical contacting of single nanowires by confocal photodeposition of metal. Materials Res. Soc. 2011 Fall Meeting, Symposium BB: Functional Nanowires and Nanotubes , Boston 2011-11-27 - 2011-12-02
• Vitenskapelig foredrag
  Weman, Helge. (2011) Invited seminar: III-V nanowires for high-efficiency solar cells. Norway-China Workshop on Nanotechnology for renewable energy materials , Trondheim 2011-08-31 - 2011-09-01
• Vitenskapelig foredrag
  Weman, Helge. (2011) Semiconductor nanowire based solar cells-A Nordic top-level research initiative. 24th Nordic semiconductor meeting , Fuglsøcenter 2011-06-19 - 2011-06-22
• Vitenskapelig foredrag
  Ahtapodov, Lyubomir; Olk, Phillip; Todorovic, Jelena; Ericsson, M.; Narayana, Dheeraj Dasa Lakshmi; Helvoort, Antonius Van. (2011) Optical properties of Wurtzite GaAs nanowires. GDR Semiconductor Nanowires and Nanotubes , Porquerolles 2011-10-17 - 2011-10-21
• Vitenskapelig foredrag
  Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; CHUL, KIM DONG; Helvoort, Antonius Van; Fimland, Bjørn-Ove; Weman, Helge. (2011) Periodic arrays of self-catalyzed heterostructured GaAs nanowires on Si substrates grown by molecular beam epitaxy. GDR Semiconductor Nanowires and Nanotubes , Porquerolles 2011-10-17 - 2011-10-21
• Vitenskapelig foredrag
  CHUL, KIM DONG; Christoffersen, Ole Morten; Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; Ahtapodov, Lyubomir; Fimland, Bjørn-Ove. (2011) Nanofabrication of GaAs nanowire optoelectronic devices in NTNU NanoLab. 6th NanoLab user meeting , Trondheim 2011-11-16 - 2011-11-16
• Vitenskapelig foredrag
  Ahtapodov, Lyubomir; Olk, Phillip; Todorovic, Jelena; Mjåland, Terje Sund; Narayana, Dheeraj Dasa Lakshmi; Helvoort, Antonius Van. (2011) Optical characterization of single semiconductor nanowires. 6th NanoLab user meeting , Trondheim 2011-11-16 - 2011-11-16
• Poster
  CHUL, KIM DONG; Ahtapodov, Lyubomir; Boe, A.B.; Choi, J.W.; Kim, G. T.; Ji, H. (2011) Photocurrent spectroscopy of single wurtzite GaAs nanowires. Heraeus seminar on III-V Nanowires , Bad Honnef 2011-02-21 - 2011-02-23
• Vitenskapelig foredrag
  Weman, Helge. (2011) Invited seminar: Heterostructured III-V nanowires grown by MBE. IBM seminar series , Rueschlikon 2011-01-19 - 2011-01-19
• Vitenskapelig foredrag
  Munshi, Abdul Mazid; Narayana, Dheeraj Dasa Lakshmi; CHUL, KIM DONG; Todorovic, Jelena; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2011) Crystal phase and position control of self-catalyzed GaAs nanowires grown on a Si substrate. 6th NanoLab user meeting , Trondheim 2011-11-16 - 2011-11-16

2010

• Poster
  Weigand, Christian Carl; Grepstad, Jostein; Bergren, Matt; Weman, Helge; Furtak, Tom; Collins, Reuben. (2010) ZnO nanostructures grown by pulsed laser deposition. 1st Annual Workshop of the Norwegian PhD Network on Nanotechnology for Microsystems , Tønsberg 2010-05-31 - 2010-06-02
• 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
  Kim, D.C.; Ahtapodov, Lyubomir; Boe, A.B.; Choi, J.W.; Ji, H.; Kim, G.T.. (2010) Photocurrent Spectroscopy of Single Wurtzite GaAs Nanowires. 30th International Conf. on the Physics of Semiconductors , Seoul 2010-07-25 - 2010-07-30
• Poster
  Ahtapodov, Lyubomir; Anthonysamy, Fervin Moses; Kim, D.C.; Olk, Phillip; Hoang, Thang Ba; Weman, Helge. (2010) The Nanophotonics Lab at NTNU: A Cool place for Small things with a Bright future. Norwegian Electro-Optics meeting , Ålesund 2010-04-07 - 2010-04-09
• Poster
  CHUL, KIM DONG; Ahtapodov, Lyubomir; Bø, A. B; Choi, J. W.; Ji, H.; Kim, G. T.. (2010) Photocurrent Spectroscopy of Single Wurtzite GaAs Nanowires. ICPS 2010 , Seoul 2010-07-25 - 2010-07-30
• Poster
  Ladam, C.; Weman, Helge; Thomassen, M. Vetaas; Weigand, Christian Carl; Røyset, Arne. (2010) Photoluminescence characterization of ZnO nanorods. Norwegian Electro-Optics meeting , Ålesund 2010-04-07 - 2010-04-09
• Vitenskapelig foredrag
  Dasa, Lakshmi Narayana; Zhou, Hailong; Anthonysamy, Fervin Moses; Hoang, Thang Ba; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2010) Tuning of the crystal phase in III-V nanowires grown by Au-assisted molecular beam epitaxy. MRS Spring meeting , San Fransisco 2010-04-05 - 2010-04-05
• Vitenskapelig foredrag
  Anthonysamy, Fervin Moses; Ahtapodov, Lyubomir; Hoang, Thang Ba; Dasa, Lakshmi Narayana; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2010) Micro-photoluminescence spectroscopy and imaging of single axial and radial heterostructured III-V nanowires. Norwegian electro-Optics meeting , Ålesund 2010-04-07 - 2010-04-09
• Vitenskapelig foredrag
  Dasa, Lakshmi Narayana; Helvoort, Antonius Van; Fimland, Bjørn-Ove; Weman, Helge. (2010) Growth of heterostructured III-V semiconductor nanowires by molecular beam epitaxy. Nano-network workshop 2010 , Tønsberg 2010-05-31 - 2010-06-02
• Vitenskapelig foredrag
  Weman, Helge. (2010) Heterostructured III-V nanowires for photonic applications. Invited seminar Seoul National University, Korea , Seoul 2010-07-21 - 2010-07-21
• Vitenskapelig foredrag
  Weman, Helge. (2010) Heterostructured III-V nanowires for photonic applications. Invited seminar Samsung Electronics,Korea , Suwon 2010-07-23 - 2010-07-23
• Vitenskapelig foredrag
  Dasa, Lakshmi Narayana; Munshi, Abdul Mazid; Helvoort, Antonius Van; Fimland, Bjørn-Ove; Weman, Helge. (2010) Controlling crystal phases in GaAs nanowires grown by Au-assisted molecular beam epitaxy. 16th International Conference on Molecular Beam Epitaxy , Berlin 2010-08-22 - 2010-08-27
• Poster
  Dasa, Lakshmi Narayana Dheeraj; Munshi, Abdul Mazid; Helvoort, Antonius Van; Fimland, Bjørn-Ove; Weman, Helge. (2010) Control of wurtzite and zinc blende crystal phases in single GaAs nanowires grown by Au-assisted molecular beam epitaxy. 5th Nanowire growth workshop , Rome 2010-11-04 - 2010-11-04
• Vitenskapelig foredrag
  Weman, Helge. (2010) Heterostructured III-V nanowires for photonic applications. Invited seminar Korea University, Seoul-Korea , Seoul 2010-07-22 - 2010-07-22
• Poster
  Anthonysamy, Fervin Moses; Hoang, Thang Ba; Ahtapodov, Lyubomir; Dasa, Lakshmi Narayana; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2010) Photoluminescence polarization anisotropy in a single heterostructured III-V nanowire with mixed crystal phases. 30th International Conference on the Physics of Semiconductors (ICPS 2010) , Seoul 2010-07-25 - 2010-07-30
• Vitenskapelig foredrag
  Furtak, T.E.; Baker, D.J.; Weigand, Christian Carl; Adamson, Jamie M.; Allen, C.G.; Yocom, A.E.. (2010) Surface Modification of Zinc Oxide Anodes in Organic Solar Cells. MRS Spring meeeting , San Francisco 2010-04-05 - 2010-04-09
• Vitenskapelig foredrag
  Dasa, Lakshmi Narayana; Munshi, Abdul Mazid; Helvoort, Antonius Van; Fimland, Bjørn-Ove; Weman, Helge. (2010) Tuning of the crystal phases in GaAs nanowires grown by Au-assisted molecular beam epitaxy. 5th NanoLab user meeting , Trondheim 2010-09-10 -
• Vitenskapelig foredrag
  Anthonysamy, Fervin Moses; Hoang, Thang Ba; Ahtapodov, Lyubomir; Dasa, Lakshmi Narayana; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2010) Engineering photoluminescence polarization in a single semiconductor nanowire. 5th NanoLab user meeting , Trondheim 2010-09-10 - 2010-09-10
• Vitenskapelig foredrag
  Weigand, Christian Carl; Ladam, C.; Bergren, Matt; Tveit, Johannes; Vullum, Per Erik; Dahl, Øystein. (2010) ZnO nanostructures grown by pulsed laser deposition. 5th NTNU Nanolab Users Mtg. , Trondheim 2010-09-10 -
• Vitenskapelig foredrag
  Dasa, Lakshmi Narayana; Munshi, Abdul Mazid; Fimland, Bjørn-Ove; Weman, Helge; Helvoort, Antonius Van. (2010) Controlling crystal phases in GaAs nanowires grown by Au-assisted molecular beam epitaxy. 5th nanowire growth workshop , Rome 2010-11-03 - 2010-11-05
• Vitenskapelig foredrag
  Weigand, Christian Carl; Baker, D.J.; Adamson, Jamie M.; Allen, C.G.; Bergren, M.R.; Steirer, K.X.. (2010) ZnO nanorod hybrid Organic/Inorganic Solar Cells and the effect of surface modifications. Renewable Energy Research Conference , Trondheim 2010-06-07 - 2010-06-10
• Vitenskapelig foredrag
  Ahtapodov, Lyubomir; Anthonysamy, Fervin Moses; Olk, Phillip; Kim, D.C.; Weman, Helge. (2010) The Nanophotonics Lab at NTNU: A Cool Place for Small Things with a Bright Future. 5th NanoLab user meeting , Trondheim 2010-09-10 - 2010-09-10
• Vitenskapelig foredrag
  Weman, Helge. (2010) Heterostructured III-V nanowires with mixed crystal phases. Invited seminar University of California Los Angeles , Los Angeles 2010-01-29 - 2010-01-29
• Vitenskapelig foredrag
  Weman, Helge. (2010) Heterostructured III-V nanowires with mixed crystal phases: New possibilities for bandstructure engineering. Invited seminar University of California San Diego , San Diego 2010-02-01 - 2010-02-01
• Vitenskapelig foredrag
  Dasa, Lakshmi Narayana; Zhou, Hailong; Anthonysamy, Fervin Moses; Hoang, Thang Ba; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2010) Growth of heterostructured III-V nanowires by molecular beam epitaxy for photonic applications. Photonics West , San Francisco 2010-01-23 - 2010-01-28
• Vitenskapelig foredrag
  Weman, Helge. (2010) Structural and optical properties of single III-V nanowires with different crystal phases. Invited seminar at NorPRINS workshop, Oslo , Oslo 2010-03-04 - 2010-03-05
• Vitenskapelig foredrag
  Svendsen, Guro Kristin; Weman, Helge; Skaar, Johannes. (2010) Modelling of reflection properties of nanowire lasers. Norwegian Electro-Optics Meeting 2010 , Ålesund 2010-04-07 - 2010-04-09

2009

• Vitenskapelig foredrag
  Weman, Helge. (2009) Heterostructured III-V nanowires with mixed crystal phases: New possibilities for band structure engineering. Invited Physics Seminar at Univ. of Cincinnati , Cincinnati 2009-12-10 - 2009-12-10
• Vitenskapelig foredrag
  Weman, Helge. (2009) Heterostructured III-V nanowires with mixed crystal phases: New possibilities for band structure engineering. Post deadline talk at Third International Conference on One-dimensional Nanomaterials, Atlanta, USA , Atlanta 2009-12-07 - 2009-12-09
• Vitenskapelig foredrag
  Weman, Helge. (2009) Challenges and possibilities of heterostructured semiconductor nanowires for photonic device applications. NTNU NanoLab Seminarseries , Trondheim 2009-10-13 - 2009-10-13
• Faglig foredrag
  Weman, Helge. (2009) Elektronikk, IT og IKT. Invitert foredrag til Ukekonferansen ved UKA09 , Trondheim 2009-10-08 - 2009-10-08
• Poster
  Svendsen, Guro Kristin; Dupertuis, M.-A.; Weman, Helge; Skaar, Johannes. (2009) Modeling of electronic and optical properties of heterostructured semiconductor nanowires. NANOMAT conference 2009 , Lillehammer 2009-06-16 - 2009-06-17
• Vitenskapelig foredrag
  Weman, Helge. (2009) Micro-photoluminescence study of hetero-structured GaAs/AlGaAs and GaAs/GaAsSb nanowires grown by molecular beam epitaxy. Invited talk at Int. Conf. on Transport and Optical Properties of Nanomaterials, Allahabad, India , Allahabad 2009-01-05 - 2009-01-08
• Intervju
  Weman, Helge. (2009) Åpning av NTNU NanoLab. NRK Trøndelag NRK Trøndelag [null] 2009-05-12
• Vitenskapelig foredrag
  Weman, Helge. (2009) Heterostructured III-V nanowires for photonic applications. Invited seminar at Kavli Institute of Nanoscience, Delft TU , Deflt 2009-06-19 - 2009-06-19
• Vitenskapelig foredrag
  Weman, Helge. (2009) Heterostructured III-V nanowires with mixed crystal phases: New possibilities for band-structure engineering. Invited seminar at IBM Zurich Research Lab. , Rueschlikon 2009-05-26 - 2009-05-26
• Vitenskapelig foredrag
  Weman, Helge. (2009) Heterostructured III-V nanowires for photonic applications. Invited talk at FFI Material worskhop , Kongsvinger 2009-09-08 - 2009-09-09
• Intervju
  Weman, Helge. (2009) Satser mye på lite. Under Dusken, nr 8, 2009 Under Dusken, nr 8, 2009 [null] 2009-05-05
• Vitenskapelig foredrag
  Dasa, Lakshmi Narayana; Hoang, Thang Ba; Anthonysamy, Fervin Moses; Zhou, Hailong; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2009) Heterostructured III-V Nanowires with Mixed Crystal Phases: New Possibilities for Heterostructure Engineering. Nordic Semiconductor Meeting , Reykjavik 2009-06-14 - 2009-06-17
• Vitenskapelig foredrag
  Zhou, Hailong; Hoang, Thang Ba; Dasa, Lakshmi Narayana; Anthonysamy, Fervin Moses; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2009) Self-organized wurtzite AlGaAs core-shell nanowires with GaAs inserts grown by molecular beam epitaxy. GdR Nanofils et Nanotubes Semiconducteurs - Workshop 2009 , Autrans 2009-06-30 - 2009-07-03
• Vitenskapelig foredrag
  Weman, Helge. (2009) Heterostructured wurtzite/zinc-blende GaAs/GaAsSb core-shell nanowires: New possibilities for band-structure engineering in nanowires. Invited talk at 2009 RCIQE International Seminar on Advanced Semiconductor Materials and Devices, Sapporo, Japan , Sapporo 2009-03-02 - 2009-03-03
• Poster
  Zhou, Hailong; Dasa, Lakshmi Narayana; Hoang, Thang Ba; Anthonysamy, Fervin Moses; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2009) Characterization of heterostructured III-V nanowires grown by molecular beam epitaxy. 4th NTNU Nanolab User Meeting , Trondheim 2009-05-13 -
• Poster
  Dasa, Lakshmi Narayana; Rogstad, Espen; Scheffler, Martha; Helvoort, Antonius Van; Zhou, Hailong; Patriarche, G.. (2009) Diffusion-limited growth of GaAs nanowires by Au-assisted molecular beam epitaxy. 4th GDR meeting , Autrans 2009-06-30 - 2009-07-03
• Vitenskapelig foredrag
  Helvoort, Antonius Van; Dasa, Lakshmi Narayana; Grønsberg, Sondre; Patriarche, G.; Zhou, Hailong; Fimland, Bjørn-Ove. (2009) Dark field transmission electron microscopy techniques for structural characterization of semiconductor nanowire heterostructures. EMAG 2009 , Sheffield 2009-09-08 - 2009-09-11
• Vitenskapelig foredrag
  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. MRS Spring Meeting 2009 , San Francisco 2009-04-13 - 2009-04-17
• Poster
  Dasa, Lakshmi Narayana; Patriarche, G; Helvoort, Antonius Van; Zhou, Hailong; Fimland, Bjørn-Ove; Weman, Helge. (2009) Growth and structural characterization of axial heterostructured GaAs/GaSb nanowires grown by molecular beam epitaxy. 3rd International conf. on One-dimensional Nanomaterials , Atlanta 2009-12-07 - 2009-12-09
• Poster
  Dasa, Lakshmi Narayana; Helvoort, Antonius Van; Anthonysamy, Fervin Moses; Zhou, Hailong; Hoang, Thang Ba; Fimland, Bjørn-Ove. (2009) Effect of growth-interruption on structural and optical properties of GaAs/GaAsSb axial heterostructured nanowires. Materials Res. Soc. 2009 Fall Meeting, Symposium M: Multifunction at the Nanoscale through Nanowires , Boston 2009-11-29 - 2009-12-04
• Poster
  Dasa, Lakshmi Narayana; Helvoort, Antonius Van; Anthonysamy, Fervin Moses; Zhou, Hailong; Hoang, Thang Ba; Fimland, Bjørn-Ove. (2009) Optimization of heterointerfaces in axial heterostructured nanowires grown by molecular beam epitaxy. 4th Nanowire growth workshop , Paris 2009-10-26 - 2009-10-27
• Poster
  Skåre, Daniel; Weigand, Christian Carl; Ladam, Cecile; Vardøy, Astrid-Sofie Borge; Dahl, Øystein; Bergren, Matt. (2009) Pulsed laser deposition of ZnO nanostructures for hybrid inorganic/organic solar cells. Renewable Energy R&D-seminar, OPV2009: PV-materials , Oppdal 2009-03-19 - 2009-03-21
• Faglig foredrag
  Svendsen, Guro Kristin; Dupertuis, M.-A.; Weman, Helge; Skaar, Johannes. (2009) Modeling of optical and electronic properties of semiconductor nanowires. Northern optics 2009 , Vilnius 2009-08-26 - 2009-08-28
• Vitenskapelig foredrag
  Helvoort, Antonius Van; Dasa, Lakshmi Narayana; Grønsberg, Sondre; Patriarche, G.; Zhou, Hailong; Hoang, Thang Ba. (2009) Semiconductor nanowire heterostructures characterization by dark field TEM. 4th NTNU Nanolab User Meeting , Trondheim 2009-05-13 -
• Vitenskapelig foredrag
  Anthonysamy, Fervin Moses; Hoang, Thang Ba; Dasa, Lakshmi Narayana; Zhou, Hailong; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2009) Micro-photoluminescence study of single GaAsSb/GaAs radial and axial heterostructured core-shell nanowires. E-MRS 2009 , Strasbourg 2009-06-08 - 2009-06-12
• Vitenskapelig foredrag
  Hoang, Thang Ba; Anthonysamy, Fervin Moses; Zhou, Hailong; Dasa, Lakshmi Narayana; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2009) Wurtzite GaAs and zinc blende GaAsSb nanowires: New possibilities for heterostructure engineering. NANOMAT conference 2009 , Lillehamer 2009-06-16 - 2009-06-17
• Vitenskapelig foredrag
  Anthonysamy, Fervin Moses; Hoang, Thang Ba; Dasa, Lakshmi Narayana; Zhou, Hailong; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2009) Optical properties of axial and radial heterostructured III-V semiconductor nanowires. 4th NTNU Nanolab User Meeting , Trondheim 2009-05-13 -
• Vitenskapelig foredrag
  Dasa, Lakshmi Narayana; Helvoort, Antonius Van; Zhou, Hailong; Anthonysamy, Fervin Moses; Hoang, Thang Ba; Rogstad, Espen. (2009) Tailoring of semiconductor heterostructure nanowires for photonic applications by molecular beam epitaxy. 4th NTNU Nanolab User Meeting , Trondheim 2009-05-13 -
• Vitenskapelig foredrag
  Røyset, Arne; Fagerberg, Ragnar; Weman, Helge. (2009) Cool, Small and Bright: cryogenic micro-photoluminescence for photovoltaic materials. Renewable Energy R&D-seminar, OPV2009: PV-materials , Oppdal 2009-03-19 - 2009-03-21
• Vitenskapelig foredrag
  Hoang, Thang Ba; Anthonysamy, Fervin Moses; Zhou, Hailong; Dasa, Lakshmi Narayana; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2009) Crystal phase dependent photoluminescence polarization in single semiconductor nanowires. 3rd International conf. on One-dimensional Nanomaterials , Atlanta 2009-12-07 - 2009-12-09
• Vitenskapelig foredrag
  Ladam, Cecile; Weigand, Christian Carl; Skåre, Daniel; Vardøy, Astrid-Sofie Borge; Dahl, Øystein; Bergren, Matt. (2009) Nanostructured ZnO layers grown by pulsed laser deposition for hybrid inorganic/organic solar cells. NANOMAT conference 2009 , Lillehammer 2009-06-15 - 2009-06-17
• Vitenskapelig foredrag
  Hoang, Thang Ba; Anthonysamy, Fervin Moses; Zhou, Hailong; Dasa, Lakshmi Narayana; Helvoort, Antonius Van; Fimland, Bjørn-Ove. (2009) Polarized micro-photoluminescence imaging of single GaAs/AlGaAs core-shell nanowires with GaAsSb inserts. Materials Res. Soc. 2009 Fall Meeting, Symposium O: Excitons and Plasmon Resonances in Nanostructures II , Boston 2009-11-29 - 2009-12-04
• Vitenskapelig foredrag
  Weman, Helge. (2009) Semiconductor nanowires for solar cell applications. 4th KIFEE Symposium on Environment, Energy, Materials and Education , Trondheim 2009-09-06 - 2009-09-09

2008

• Poster
  Weigand, Christian Carl; Bergren, M.R.; Valset, K.; Carey, D.; Fagerberg, Ragnar; Ladam, C.. (2008) Characterization of ZnO layers grown by pulsed laser deposition for hybrid inorganic/organic solar cells. 1st Intl. Nanosymposium@NTNU , Trondheim 2008-11-09 - 2008-12-09
• Vitenskapelig foredrag
  Hoang, Thang Ba; Dasa, Lakshmi Narayana; Patriarche, G.; Anthonysamy, Fervin Moses; Zhou, Hailong; Helvoort, Antonius Van. (2008) Growth and characterization of single wurtzite GaAs nanowires with defect-free zinc blende GaAsSb inserts. Materials Res. Soc. 2008 Fall Meeting, Symposium LL: Nanowires - Synthesis, Properties, Assembly, and Applications , Boston 2008-12-01 - 2008-12-05
• Vitenskapelig foredrag
  Weigand, Christian Carl; Valset, K.; Fagerberg, Ragnar; Ladam, C.; Grepstad, Jostein; Weman, Helge. (2008) Pulsed laser deposition growth of ZnO nanostructures for electron transport in hybrid inorganic/organic solar cells. 3rd Nanolab User Meeting , Trondheim 2008-03-06 -
• Vitenskapelig foredrag
  Anthonysamy, Fervin Moses; Hoang, Thang Ba; Dasa, Lakshmi Narayana; Fimland, Bjørn-Ove; Weman, Helge; Karlsson, K.F.. (2008) Investigation of the structural and optical properties of single GaAs/GaAsSb/GaAs nanowire quantum dots. 17th Int. Laser Physics Workshop , Trondheim 2008-06-30 - 2008-07-04
• Vitenskapelig foredrag
  Anthonysamy, Fervin Moses; Dasa, Lakshmi Narayana; Helvoort, Antonius Van; Fimland, Bjørn-Ove; Weman, Helge; Karlsson, K.F.. (2008) Photoluminescence study of GaAs-based nanowires grown by molecular beam epitaxy. 3rd NTNU Nanoscience & Nanotechnology workshop , Trondheim 2008-03-06 - 2008-03-06
• Vitenskapelig foredrag
  Anthonysamy, Fervin Moses; Dasa, Lakshmi Narayana; Fimland, Bjørn-Ove; Weman, Helge; Karlsson, K.F.; Holtz, P.O.. (2008) Radiative emission from a type-II GaAsSb segment in a single GaAs nanowire. 15th Int. Conf. on Superlattices, Nanostructures and Nanodevices , Natal 2008-08-03 - 2008-08-08
• Vitenskapelig foredrag
  Zhou, Hailong; Dasa, Lakshmi Narayana; Hoang, Thang Ba; Anthonysamy, Fervin Moses; Fimland, Bjørn-Ove; Weman, Helge. (2008) Growth, structural and optical characterizations of GaAs/AlGaAs core-shell nanowires. 3rd Int. Workshop on Nanowire Growth Mechanisms , Duisburg 2008-09-15 - 2008-09-16
• Vitenskapelig foredrag
  Dasa, Lakshmi Narayana; Patriarche, G.; Zhou, Hailong; Anthonysamy, Fervin Moses; Harmand, J.C.; Fimland, Bjørn-Ove. (2008) Growth and characterization of GaAs nanowires with GaAsSb inserts grown by molecular beam epitaxy. 15th International Conference on Molecular Beam Epitaxy , Vancouver 2008-08-03 - 2008-08-08
• Vitenskapelig foredrag
  Svendsen, Guro Kristin; Weman, Helge; Skaar, Johannes. (2008) Modal reflection properties of nanowire waveguides. 17th Int. Laser Physics Workshop , Trondheim 2008-06-30 - 2008-07-04
• Poster
  Anthonysamy, Fervin Moses; Dasa, Lakshmi Narayana; Fimland, Bjørn-Ove; Weman, Helge; Karlsson, K.F.; Holtz, P.O.. (2008) Micro-photoluminescence study of heterostructured GaAs/AlGaAs and GaAs/GaAsSb nanowires grown by molecular beam epitaxy. 1st Int. Nanosymposium@NTNU , Trondheim 2008-09-11 - 2008-09-12
• Poster
  Dasa, Lakshmi Narayana; Patriarche, G.; Zhou, Hailong; Anthonysamy, Fervin Moses; Hoang, Thang Ba; Helvoort, Antonius Van. (2008) Growth and characterization of heterostructured III-V nanowires by molecular beam epitaxy. 1st Int. Nanosymposium@NTNU , Trondheim 2008-09-11 - 2008-09-12
• Poster
  Svendsen, Guro Kristin; Weman, Helge; Skaar, Johannes. (2008) Modeling of modal properties of nanowire lasers. Norwegian Electro-Optics meeting , Hurtigruten ship M/S Midnatsol between Tromsö and Trondheim 2008-03-26 - 2008-03-28
• Poster
  Anthonysamy, Fervin Moses; Dasa, Lakshmi Narayana; Fimland, Bjørn-Ove; Weman, Helge; Karlsson, K.F.; Holtz, P.O.. (2008) Micro-photoluminescence study of heterostructured GaAs/AlGaAs and GaAs/GaAsSb nanowires grown by molecular beam epitaxy. 29th Int. Conf. on the Physics of Semiconductors , Rio de Janeiro 2008-07-27 - 2008-08-01
• Poster
  Weigand, Christian Carl; Bergren, M.R.; Valset, K.; Carey, D.; Fagerberg, Ragnar; Ladam, C.. (2008) Characterization of ZnO thin films grown by pulsed laser deposition for hybrid inorganic/organic solar cells. 23rd European Photovoltaic Solar Energy Conference , Valencia 2008-09-01 - 2008-09-05
• Poster
  Dasa, Lakshmi Narayana; Zhou, Hailong; Helvoort, Antonius Van; Fimland, Bjørn-Ove; Weman, Helge; Patriarche, G.. (2008) A novel effect of Sb on the crystalline structure of GaAs nanowires grown by MBE. 3rd Int. Workshop on Nanowire Growth Mechanisms , Duisburg 2008-09-15 - 2008-09-16
• Poster
  Baker, D.J.; Allen, C.G.; Albin, J.M.; Oertli, H.E.; Bergren, M.R.; Berman, T.D.. (2008) Functionalized zinc oxide for improved organic photovoltaic systems. Mat. Res. Soc. 2008 Fall Mtg., Symposium H: Physics and Technology of Organic Semiconductor Devices , Boston 2008-12-01 - 2008-12-05

2007

• Vitenskapelig foredrag
  Weman, Helge. (2007) Nanostructured materials for photonic applications. AIST-Norway Nano symposium , Osaka 2007-12-03 - 2007-12-03
• Vitenskapelig foredrag
  Weman, Helge. (2007) Semiconductor quantum-wires and nano-wires for optoelectronic applications. International Conference on Optical, Optoelectronic and Photonic Materials and Applications , London 2007-07-30 - 2007-08-03
• Poster
  Dheeraj, D.L.; Nilsen, Tron Arne; Helvoort, Antonius Van; Fimland, Bjørn-Ove; Weman, Helge. (2007) Fabrication and characterization of GaAs nanowires grown by molecular beam epitaxy. 2nd NTNU Nanoscience & Nanotechnology workshop , Trondheim 2007-03-07 - 2007-03-07
• Poster
  Dheeraj, D.L.; Nilsen, Tron Arne; Helvoort, Antonius Van; Fimland, Bjørn-Ove; Weman, Helge. (2007) Fabrication and structural characterization of GaAs nanowires grown by molecular beam epitaxy. NANOMAT Conference , Bergen 2007-06-06 - 2007-06-07
• Poster
  Dheeraj, D.L.; Sartel, C.; Travers, L.; Harmand, J.C.; Patriarche, G.; Fimland, Bjørn-Ove. (2007) Importance of initial growth conditions during the growth of III-V nanowires by molecular beam epitaxy. 2nd International Conf. on One-dimensional Nanomaterials , Malmö 2007-09-26 - 2007-09-29
• Poster
  Lyo, S.K.; Karlsson, F.K.; Weman, Helge; Leifer, K.; Rudra, A.; Kapon, E.. (2007) Exciton energy transfer in confined systems: Effect of the dimensionality. International Complex Adaptive Materials Workshop , Santa Fe 2007-12-03 - 2007-12-03

2006

• Vitenskapelig foredrag
  Weman, Helge. (2006) Fabrication and characterization of nanophotonic structures and devices. 1st NTNU NanoLab User Meeting , Jægtdvolden 2006-03-09 - 2006-03-10
• Vitenskapelig foredrag
  Weman, Helge; Karlsson, F.K.; Lyo, S.K.; Leifer, K.; Rudra, A.; Kapon, E.. (2006) Exciton transfer efficiency between asymmetric coupled GaAs V-groove quantum wires. Annual Meeting of The Condensed Matter Physics with Atomic Physics Division of the Norwegian Physical Society , Gålå 2006-09-13 - 2006-09-15
• Vitenskapelig foredrag
  Lyo, S.K.; Karlsson, F.K.; Weman, Helge; Rudra, A.; Kapon, E.. (2006) Exciton energy transfer between asymmetric quantum wires. March Meeting of the American Physical Society , Baltimore 2006-03-13 - 2006-03-17
• Vitenskapelig foredrag
  Weman, Helge; Palmgren, S.; Reichardt, H.; Karlsson, F.K.; Rudra, A.; Kapon, E.. (2006) Photonic V-groove quantum wire devices. Northern Optics , Bergen 2006-06-14 - 2006-06-16
• Vitenskapelig foredrag
  Weman, Helge. (2006) Semiconductor quantum-wires and nano-wires for photonic applications. Prof. H.J. Mooij Nanoscience-Nanotechnology Seminar , Trondheim 2006-05-30 - 2006-05-30
• Poster
  Palmgren, S.; Weman, Helge; Schoenberg, A.; Karlsson, F.K.; Rudra, A.; Kapon, E.. (2006) Optical absorption spectra in V-groove quantum wires: Experiment and theory. Northern Optics , Bergen 2006-06-14 - 2006-06-16

2005

• Vitenskapelig foredrag
  Weman, Helge. (2005) Nano-photonic devices based on self-ordered growth on V-grooved GaAs substrates. Kollokvium , Kjeller 2005-11-04 - 2005-11-04
• Vitenskapelig foredrag
  Weman, Helge; Palmgren, S.; Reichardt, H.; Karlsson, F.K.; Kapon, E.. (2005) V-groove quantum wire emitters and modulators. Conference in Materials Science , Göteborg 2005-05-18 - 2005-05-19
• Poster
  Palmgren, S.; Reichardt, H.; Weman, Helge; Schoenberg, A.; Pelucchi, E.; Rudra, A.. (2005) V-groove quantum wire waveguide devices. 11th European Workshop on Metalorganic Vapour Phase Epitaxy , Lausanne 2005-06-05 - 2005-06-08
• Poster
  Karlsson, F.K.; Weman, Helge; Lyo, S.K.; Rudra, A.; Kapon, E.. (2005) Strongly reduced carrier/exciton transfer efficiency between parallel quantum wires: a comparison with quantum wells. 12th International Conference on Modulated Semiconductor Structures , Albuquerque, New Mexico 2005-07-10 - 2005-07-15
• Poster
  Weman, Helge; Palmgren, S.; Reichardt, H.; Schoenberg, A.; Pelucchi, E.; Rudra, A.. (2005) V-groove quantum wire devices. 1st International Symposium on Semiconductor Nanowires , Lund 2005-10-05 - 2005-10-06