Rchr
J-GLOBAL ID：201401040627161182   Update date: May. 29, 2024

Ishii Ryota

イシイ リョウタ | Ishii Ryota
Affiliation and department：
Kyoto University

About Kyoto University


Homepage URL  (1)： http://www.optomater.kuee.kyoto-u.ac.jp/index.html
Research field  (3)： Electric/electronic material engineering ,  Magnetism, superconductivity, and strongly correlated systems ,  Crystal engineering
Research keywords  (6)： 時空間分解分光 ,  Ultra-widegap semiconductors ,  Near-field spectroscopy ,  deep-ultraviolet spectroscopy ,  optical properties of semiconductors ,  exciton
Research theme for competitive and other funds  (23)：
  • 2023 - 2026 超ワイドギャップ半導体の両極性電気伝導発現に向けた物性の解明と制御
  • 2021 - 2025 Visible, long wavelength LEDs based on In-rich InGaN on ScAlMgO4 substrates
  • 2020 - 2025 Light emitting synthesizer : aiming to create the ultimate lighting devices
  • 2024 - 2025 超ワイドギャップ半導体の特異な電子・励起子物性の解明
  • 2024 - 2025 深紫外顕微分光計測の追求
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Papers (38)：
  • Zhaozong Zhang, Ryota Ishii, Kanako Shojiki, Mitsuru Funato, Daisuke Iida, Kazuhiro Ohkawa, Yoichi Kawakami. Correlative Micro-Photoluminescence Study on Hybrid Quantum-Well InGaN Red Light-Emitting Diodes. physica status solidi (b). 2024. 2400036
  • Ryota Ishii, Shiki Tanaka, Norman Susilo, Tim Wernicke, Michael Kneissl, Mitsuru Funato, Yoichi Kawakami. Radiative and Nonradiative Recombination Processes in AlGaN Quantum Wells on Epitaxially Laterally Overgrown AlN/Sapphire from 10 to 500 K. physica status solidi (b). 2024. 2400018
  • Ryota Ishii, Akira Yoshikawa, Mitsuru Funato, Yoichi Kawakami. Deep-Ultraviolet Luminescence Properties of AlN. physica status solidi (RRL) - Rapid Research Letters. 2024. 2400017
  • Ryota Ishii, Akira Yoshikawa, Mitsuru Funato, Yoichi Kawakami. Revisiting the substitutional Mg acceptor binding energy of AlN. Physical Review B. 2023. 108. 3
  • Shiki Tanaka, Ryota Ishii, Norman Susilo, Tim Wernicke, Michael Kneissl, Mitsuru Funato, Yoichi Kawakami. Picosecond-laser-excited photoluminescence study of AlGaN quantum wells on epitaxially laterally overgrown AlN/sapphire under selective and non-selective excitation conditions. Japanese Journal of Applied Physics. 2022. 61. 11. 112002-112002
ｍore...
MISC (3)：
Books (1)：
  • 光と物質の量子相互作用ハンドブック
    エヌ・ティー・エス 2023 ISBN:9784860438265
Lectures and oral presentations  (14)：
  • Optoelectronic properties of ultrawide-band-gap semiconductors probed by deep-ultraviolet spectroscopy
    (SPIE Optics + Photonics 2024)
  • 超ワイドギャップ半導体光物性評価のための深紫外分光技術の現状と展望
    (ワイドギャップ半導体学会 2024)
  • Fundamental optical properties of AlN revealed by deep-ultraviolet spectroscopy
    (International Conference on Nitride Semiconductors 14 2023)
  • Spontaneous and stimulated emission physics of aluminum nitride
    (SPIE PHOTONICS WEST 2023 2023)
  • Luminescence spectroscopies on 265-nm AlGaN DUV LEDs and AlN films grown on AlN substrates
    (SPIE PHOTONICS WEST 2022 2022)
ｍore...
Professional career (1)：
  • 博士(工学) (京都大学)
Work history (5)：
  • 2014/04 - 現在 Kyoto University Graduate School of Engineering, Department of Electronic Science and Engineering
  • 2019/05 - 2019/06 モンペリエ大学シャルルクーロン研究所 客員研究員
  • 2013/04 - 2014/03 Kyoto University Graduate School of Engineering, Department of Electronic Science and Engineering
  • 2010/04 - 2013/03 Kyoto University Graduate School of Engineering
  • 2008/04 - 2010/03 Kyoto University Graduate School of Engineering
Committee career (11)：
  • 2022/03 - 現在 応用物理学会 学術講演会 中分類 15.4 プログラム編集委員
  • 2024 - 2026 応用物理学会 代議員
  • 2019/04 - 2024/04 14th International Conference on Nitride Semiconductors Financial Committee
  • 2021/04 - 2023/03 応用物理学会関西支部幹事
  • 2019/04 - 2021/03 電子材料シンポジウム(EMS 38-39) 企業展示委員
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Awards (7)：
  • 2023/08 - 2023 Masao Horiba Awards
  • 2022/03 - 最優秀ポスター賞 高空間分解能を有する深紫外近接場光学顕微鏡の開発
  • 2019/11 - エヌエフ基金 第8回研究開発奨励賞(優秀賞)
  • 第8回窒化物半導体結晶成長講演会 研究奨励賞
  • 第31回電子材料シンポジウム EMS賞
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