Rchr
J-GLOBAL ID:200901015819334892
Update date: Sep. 06, 2024
Yagi Shuhei
ヤギ シユウヘイ | Yagi Shuhei
Affiliation and department:
Job title:
Associate Professor
Homepage URL (1):
http://opt.eeap.saitama-u.ac.jp/index.html
Research field (3):
Semiconductors, optical and atomic physics
, Crystal engineering
, Electric/electronic material engineering
Research keywords (3):
High Efficiency Solar Cells
, Crystal Growth
, Semiconductor Engineering
Research theme for competitive and other funds (10):
- 2022 - 2025 A novel stacked structure of intermediate band cells for higher efficiency
- 2018 - 2020 希釈窒化物混晶による超高効率中間バンドタンデム太陽電池の研究
- 2016 - 2019 希釈窒化物半導体による高効率マルチバンド太陽電池の研究
- 2014 - 2017 Study on the Behavior of Defects in Dilute Nitride Semiconductors and Improvement of Device Reliability
- 2014 - 2015 窒化物半導体ナノ構造中のホットキャリアを利用する新型太陽電池に関する研究
- 2012 - 2015 局所ドーピング構造半導体による量子相関光子の生成および制御
- 2012 - 2013 窒化物量子ドット太陽電池の開発
- 2009 - 2011 局所ドーピング構造半導体による単一光子発生に関する研究
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Papers (50):
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Abdul Qayoom, Shuhei Yagi, Hiroyuki Yaguchi. Nitrogen Concentration Dependence of Two-Step Photocurrent Generation by Below-Gap Excitation in GaPN Alloys. physica status solidi (b). 2024. 261. 4
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Abdul Qayoom, Sanjida Ferdous, Shuhei Yagi, Hiroyuki Yaguchi. Photocurrent enhancement by below bandgap excitation in GaPN. Japanese Journal of Applied Physics. 2023. 62. SK. SK1038-SK1038
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Shuhei Yagi, Shun Numata, Yasushi Shoji, Yoshitaka Okada, Hiroyuki Yaguchi. Effects of carrier-blocking barrier height on two-step photocurrent generation in dilute nitride intermediate band solar cells. Japanese Journal of Applied Physics. 2023. 62. SK. SK1008-SK1008
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Koichi Murata, Shuhei Yagi, Takashi Kanazawa, Satoshi Tsubomatsu, Christopher Kirkham, Koh-ichi Nittoh, David R Bowler, Kazushi Miki. Activation of two dopants, Bi and Er in δ-doped layer in Si crystal. Nano Futures. 2021. 5. 4. 045005-045005
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Sanjida Ferdous, Hiroki Iwai, Norihiko Kamata, Hiroyuki Yaguchi, Shuhei Yagi. Detection of Nonradiative Recombination Centers in GaPN by Combining Two-Wavelength Excited Photoluminescence and Time-Resolved Photoluminescence. PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS. 2021. 258. 11
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MISC (100):
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矢野裕子, 高宮健吾, 藤川沙千恵, 八木修平, 矢口裕之, 小林真隆, 秋山英文. Study on the Binding Energy of Biexcitons Localized at Isoelectronic Traps in Nitrogen δ-Doped GaAs. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2023. 70th
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伊藤駿平, 高宮健吾, 小林真隆, 八木修平, 秋山英文, 矢口裕之. Excitation Power Dependence of Emission Lines from Er Doped GaAs. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2022. 69th
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塚原悠太, 八木修平, 矢口裕之. 第一原理計算によるGaAsN混晶中のN原子配置のバンド構造への影響の検討. 応用物理学会秋季学術講演会講演予稿集(CD-ROM). 2018. 79th. ROMBUNNO.18p-234B-6
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高橋渉, 高宮健吾, 八木修平, 狭間優治, 秋山英文, 矢口裕之, 鎌田憲彦. 二波長励起PL測定によるGaPN混晶のアップコンバージョン発光特性評価. 応用物理学会秋季学術講演会講演予稿集(CD-ROM). 2018. 79th. ROMBUNNO.18p-234B-4
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大倉一将, 高宮健吾, 八木修平, 矢口裕之. 規則配列化InNドットの作製に向けた立方晶GaN表面ステップ構造の成長条件依存性. 応用物理学会秋季学術講演会講演予稿集(CD-ROM). 2018. 79th. ROMBUNNO.19p-PA4-25
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Patents (9):
Books (1):
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超高効率太陽電池・関連材料の最前線(荒川康彦 監修)
Education (4):
- 2001 - 2004 Tokyo Institute of Technology Graduate School, Division of Science and Engineering Department of Physical Electronics
- 1999 - 2001 Tokyo Insititute of Technology Graduate School, Division of Science and Engineering Department of Physical Electronics
- 1997 - 1999 The University of Electro-Communications Faculty of Electro Communications Department of Electronics
- 1992 - 1997 Tokyo National College of Technology
Professional career (1):
- Master of Engineering (Tokyo Institute of Technology)
Work history (8):
- 2015/04 - 現在 Saitama University Graduate School of Science and Engineering Associate Professor
- 2010/04 - 2015/03 Saitama Univeristy Graduate School of Science and Engineering Assistant Professor
- 2009/04 - 2010/03 The University of Tokyo Research Center for Advanced Science and Technology Project Assistant Professor
- 2008/04 - 2009/03 The University of Tokyo Research Center for Advanced Science and Technology Project Research Fellow
- 2007/05 - 2008/03 Tsukuba University Institute of Applied Physics Reserch Fellow
- 2007/04 - 2007/04 Tsukuba University Institute of Applied Physics
- 2006/04 - 2007/03 National Institute for Materials Science NIMS postdoc research fellow
- 2004/04 - 2006/03 National Institute for Materials Science Research Fellow
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Committee career (7):
Association Membership(s) (3):
The Japan Photovoltaic Society
, 電子情報通信学会
, 応用物理学会
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