Search Results - "Buyanova, Irina A"

Designing Semiconductor Nanowires for Efficient Photon Upconversion via Heterostructure Engineering by Jansson, Mattias, Ishikawa, Fumitaro, Chen, Weimin M., Buyanova, Irina A.

“…Energy upconversion via optical processes in semiconductor nanowires (NWs) is attractive for a variety of applications in nano-optoelectronics and…”
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Room-temperature electron spin polarization exceeding 90% in an opto-spintronic semiconductor nanostructure via remote spin filtering by Huang, Yuqing, Polojärvi, Ville, Hiura, Satoshi, Höjer, Pontus, Aho, Arto, Isoaho, Riku, Hakkarainen, Teemu, Guina, Mircea, Sato, Shino, Takayama, Junichi, Murayama, Akihiro, Buyanova, Irina A., Chen, Weimin M.

“…An exclusive advantage of semiconductor spintronics is its potential for opto-spintronics, which will allow integration of spin-based information…”
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Vibronic coherence contributes to photocurrent generation in organic semiconductor heterojunction diodes by Bian, Qingzhen, Ma, Fei, Chen, Shula, Wei, Qi, Su, Xiaojun, Buyanova, Irina A., Chen, Weimin M., Ponseca, Carlito S., Linares, Mathieu, Karki, Khadga J., Yartsev, Arkady, Inganäs, Olle

“…Charge separation dynamics after the absorption of a photon is a fundamental process relevant both for photosynthetic reaction centers and artificial solar…”
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Dilute Nitride Nanowire Lasers Based on a GaAs/GaNAs Core/Shell Structure by Chen, Shula, Jansson, Mattias, Stehr, Jan E, Huang, Yuqing, Ishikawa, Fumitaro, Chen, Weimin M, Buyanova, Irina A

“…Nanowire (NW) lasers operating in the near-infrared spectral range are of significant technological importance for applications in telecommunications, sensing,…”
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Room-temperature polarized spin-photon interface based on a semiconductor nanodisk-in-nanopillar structure driven by few defects by Chen, Shula, Huang, Yuqing, Visser, Dennis, Anand, Srinivasan, Buyanova, Irina A., Chen, Weimin M.

“…Owing to their superior optical properties, semiconductor nanopillars/nanowires in one-dimensional (1D) geometry are building blocks for nano-photonics. They…”
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Anomalously Strong Second‐Harmonic Generation in GaAs Nanowires via Crystal‐Structure Engineering by Zhang, Bin, Stehr, Jan E., Chen, Ping‐Ping, Wang, Xingjun, Ishikawa, Fumitaro, Chen, Weimin M., Buyanova, Irina A.

“…GaAs‐based semiconductors are highly attractive for diverse nonlinear photonic applications, owing to their non‐centrosymmetric crystal structure and huge…”
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Effects of Strong Band-Tail States on Exciton Recombination Dynamics in Dilute Nitride GaP/GaNP Core/Shell Nanowires by Chen, Shula, Chen, Weimin M, Buyanova, Irina A

“…Exciton dynamics in dilute nitride GaP/GaNP core/shell nanowires (NWs) with pronounced band-tail states formed by nitrogen clusters is investigated using…”
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An Efficient Deep-Subwavelength Second Harmonic Nanoantenna Based on Surface Plasmon-Coupled Dilute Nitride GaNP Nanowires by Luo, Ziyu, Ma, Chao, Lin, Yue, Jiang, Qi, Liu, Binjie, Yang, Xin, Yi, Xiao, Qu, Junyu, Zhu, Xiaoli, Wang, Xiao, Zhou, Jun, Wang, Xingjun, Chen, Weimin M, Buyanova, Irina A, Chen, Shula, Pan, Anlian

“…High-index semiconductor nanoantennae represent a powerful platform for nonlinear photon generation. Devices with reduced footprints are pivotal for higher…”
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Band Structure of Wurtzite GaBiAs Nanowires by Zhang, Bin, Huang, Yuqing, Stehr, Jan Eric, Chen, Ping-Ping, Wang, Xing-Jun, Lu, W, Chen, Weimin M, Buyanova, Irina A

“…We report on the first successful growth of wurtzite (WZ) GaBiAs nanowires (NWs) and reveal the effects of Bi incorporation on the electronic band structure by…”
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Suppression of non-radiative surface recombination by N incorporation in GaAs/GaNAs core/shell nanowires by Chen, Shula L., Chen, Weimin M., Ishikawa, Fumitaro, Buyanova, Irina A.

“…III-V semiconductor nanowires (NWs) such as GaAs NWs form an interesting artificial materials system promising for applications in advanced optoelectronic and…”
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Effects of thermal annealing on localization and strain in core/multishell GaAs/GaNAs/GaAs nanowires by Balagula, Roman M., Jansson, Mattias, Yukimune, Mitsuki, Stehr, Jan E., Ishikawa, Fumitaro, Chen, Weimin M., Buyanova, Irina A.

“…Core/shell nanowire (NW) heterostructures based on III-V semiconductors and related alloys are attractive for optoelectronic and photonic applications owing to…”
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Amine Gas‐Induced Reversible Optical Bleaching of Bismuth‐Based Lead‐Free Perovskite Thin Films by Ji, Fuxiang, Zhang, Bin, Chen, Weimin M, Buyanova, Irina A, Wang, Feng, Boschloo, Gerrit

“…Reversible optical property changes in lead‐free perovskites have recently received great interest due to their potential applications in smart windows,…”
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Efficient low-power photon upconversion in core/shell heterostructured semiconductor nanowires by Jansson, Mattias, Ishikawa, Fumitaro, Chen, Weimin M., Buyanova, Irina A.

“…Photon energy upconversion, i.e. the conversion of several low-energy photons to a photon of higher energy, offers significant potential for…”
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Effects of Nitrogen Incorporation on Structural and Optical Properties of GaNAsP Nanowires by Jansson, Mattias, Chen, Shula, La, Rui, Stehr, Jan E, Tu, Charles W, Chen, Weimin M, Buyanova, Irina A

“…In this work, we carry out a comprehensive investigation of structural and optical effects in GaNAsP nanowires (NWs), which are novel materials promising for…”
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Energy Upconversion in GaP/GaNP Core/Shell Nanowires for Enhanced Near-Infrared Light Harvesting by Dobrovolsky, Alexander, Sukrittanon, Supanee, Kuang, Yanjin, Tu, Charles W., Chen, Weimin M., Buyanova, Irina A.

“…Semiconductor nanowires (NWs) have recently gained increasing interest due to their great potential for photovoltaics. A novel material system based on GaNP…”
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Origin of Strong Photoluminescence Polarization in GaNP Nanowires by Filippov, Stanislav, Sukrittanon, Supanee, Kuang, Yanjin, Tu, Charles, Persson, Per O. Å, Chen, Weimin M, Buyanova, Irina A

“…The III–V semiconductor nanowires (NWs) have a great potential for applications in a variety of future electronic and photonic devices with enhanced…”
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Efficient nitrogen incorporation in ZnO nanowires by Stehr, Jan E., Chen, Weimin M., Reddy, Nandanapalli Koteeswara, Tu, Charles W., Buyanova, Irina A.

“…One-dimensional ZnO nanowires (NWs) are a promising materials system for a variety of applications. Utilization of ZnO, however, requires a good understanding…”
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Fabry-Perot Microcavity Modes in Single GaP/GaNP Core/Shell Nanowires by Dobrovolsky, Alexander, Stehr, Jan E., Sukrittanon, Supanee, Kuang, Yanjin, Tu, Charles W., Chen, Weimin M., Buyanova, Irina A.

“…Semiconductor nanowires (NWs) are attracting increasing interest as nanobuilding blocks for optoelectronics and photonics. A novel material system that is…”
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Room-Temperature Electron Spin Amplifier Based on Ga(In)NAs Alloys by Puttisong, Yuttapoom, Buyanova, Irina A., Ptak, Aaron J., Tu, Charles W., Geelhaar, Lutz, Riechert, Henning, Chen, Weimin M.

“…The first experimental demonstration of a spin amplifier at room temperature is presented. An efficient, defect‐enabled spin amplifier based on a non‐magnetic…”
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Understanding and optimizing spin injection in self- assembled InAs/GaAs quantum-dot molecular structures by Huang, Yuqing, Puttisong, Yuttapoom, Buyanova, Irina A., Chen, Weimin M.

“…Semiconductor quantum-dot （QD） structures are promising for spintronic applications owing to their strong quenching of spin relaxation processes that are…”
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