石井 良太

Last Update: 2021/05/18 12:44:09

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Name(Kanji/Kana/Abecedarium Latinum)
石井 良太/イシイ リョウタ/Ishii, Ryota
Primary Affiliation(Org1/Job title)
Graduate School of Engineering/Assistant Professor
Faculty
Org1 Job title
工学部
Academic Organizations You are Affiliated to in Japan
Organization name(Japanese) Organization name(English)
応用物理学会 Japanese Society of Applied Physics
応用物理学会結晶工学分科会 Division of Crystals Science and Technology
日本表面真空学会 The Japan Society of Vacuum and Surface Science
ニューダイヤモンドフォーラム Japan New Diamond Forum
Academic Degree
Field(Japanese) Field(English) University(Japanese) University(English) Method
修士(工学) 京都大学
博士(工学) 京都大学
Academic Resume (Graduate Schools)
University(Japanese) University(English) Faculty(Japanese) Faculty(English) Major(Japanese) Major(English) Completion Status
京都大学 大学院工学研究科修士課程電子工学専攻 修了
京都大学 大学院工学研究科博士後期課程電子工学専攻 修了
Academic Resume (Undergraduate School/Majors)
University(Japanese) University(English) Faculty(Japanese) Faculty(English) Major(s)(Japanese) Major(s)(English) Completion Status
京都大学 工学部電気電子工学科 卒業
High School
Highschool Kana
私立洛星高校
ORCID ID
https://orcid.org/0000-0002-1413-4849
researchmap URL
https://researchmap.jp/7000009365
Research Topics
(Japanese)
ワイドギャップ半導体の基礎光物性の解明
(English)
Investigation on the optical properties of widegap semiconductors
Published Papers
Author Author(Japanese) Author(English) Title Title(Japanese) Title(English) Bibliography Bibliography(Japanese) Bibliography(English) Publication date Refereed paper Language Publishing type Disclose
Ryota Ishii, Akira Yoshikawa, Kazuhiro Nagase, Mitsuru Funato, Yoichi Kawakami Ryota Ishii, Akira Yoshikawa, Kazuhiro Nagase, Mitsuru Funato, Yoichi Kawakami Ryota Ishii, Akira Yoshikawa, Kazuhiro Nagase, Mitsuru Funato, Yoichi Kawakami Bias-dependent time-resolved photoluminescence spectroscopy on 265 nm AlGaN-based LEDs on AlN substrates Bias-dependent time-resolved photoluminescence spectroscopy on 265 nm AlGaN-based LEDs on AlN substrates Bias-dependent time-resolved photoluminescence spectroscopy on 265 nm AlGaN-based LEDs on AlN substrates Japanese Journal of Applied Physics, 60, 2, 020903-020903 Japanese Journal of Applied Physics, 60, 2, 020903-020903 Japanese Journal of Applied Physics, 60, 2, 020903-020903 2021/01/21 Refereed Research paper(scientific journal) Disclose to all
Anna Kafar, Atsushi Sakaki, Ryota Ishii, Szymon Stanczyk, Krzysztof Gibasiewicz, Yoshinobu Matsuda, Dario Schiavon, Szymon Grzanka, Tadek Suski, Piotr Perlin, Mitsuru Funato, Yoichi Kawakami Anna Kafar, Atsushi Sakaki, Ryota Ishii, Szymon Stanczyk, Krzysztof Gibasiewicz, Yoshinobu Matsuda, Dario Schiavon, Szymon Grzanka, Tadek Suski, Piotr Perlin, Mitsuru Funato, Yoichi Kawakami Anna Kafar, Atsushi Sakaki, Ryota Ishii, Szymon Stanczyk, Krzysztof Gibasiewicz, Yoshinobu Matsuda, Dario Schiavon, Szymon Grzanka, Tadek Suski, Piotr Perlin, Mitsuru Funato, Yoichi Kawakami Influence of substrate misorientation on emission and waveguiding properties of blue (In,Al,Ga)N laser-like structure studied by synchrotron radiation microbeam X-ray diffraction Influence of substrate misorientation on emission and waveguiding properties of blue (In,Al,Ga)N laser-like structure studied by synchrotron radiation microbeam X-ray diffraction Influence of substrate misorientation on emission and waveguiding properties of blue (In,Al,Ga)N laser-like structure studied by synchrotron radiation microbeam X-ray diffraction Photonics Research, 9, 3, 299-307 Photonics Research, 9, 3, 299-307 Photonics Research, 9, 3, 299-307 2021/01/05 Refereed English Research paper(scientific journal) Disclose to all
Hiroshi Amano, Ramón Collazo, Carlo De Santi, Sven Einfeldt, Mitsuru Funato, Johannes Glaab, Sylvia Hagedorn, Akira Hirano, Hideki Hirayama, Ryota Ishii, Yukio Kashima, Yoichi Kawakami, Ronny Kirste, Michael Kneissl, Robert Martin, Frank Mehnke, Matteo Meneghini, Abdallah Ougazzaden, Peter J Parbrook, Siddharth Rajan, Pramod Reddy, Friedhard Römer, Jan Ruschel, Biplab Sarkar, Ferdinand Scholz, Leo J Schowalter, Philip Shields, Zlatko Sitar, Luca Sulmoni, Tao Wang, Tim Wernicke, Markus Weyers, Bernd Witzigmann, Yuh-Renn Wu, Thomas Wunderer, Yuewei Zhang Hiroshi Amano, Ramón Collazo, Carlo De Santi, Sven Einfeldt, Mitsuru Funato, Johannes Glaab, Sylvia Hagedorn, Akira Hirano, Hideki Hirayama, Ryota Ishii, Yukio Kashima, Yoichi Kawakami, Ronny Kirste, Michael Kneissl, Robert Martin, Frank Mehnke, Matteo Meneghini, Abdallah Ougazzaden, Peter J Parbrook, Siddharth Rajan, Pramod Reddy, Friedhard Römer, Jan Ruschel, Biplab Sarkar, Ferdinand Scholz, Leo J Schowalter, Philip Shields, Zlatko Sitar, Luca Sulmoni, Tao Wang, Tim Wernicke, Markus Weyers, Bernd Witzigmann, Yuh-Renn Wu, Thomas Wunderer, Yuewei Zhang Hiroshi Amano, Ramón Collazo, Carlo De Santi, Sven Einfeldt, Mitsuru Funato, Johannes Glaab, Sylvia Hagedorn, Akira Hirano, Hideki Hirayama, Ryota Ishii, Yukio Kashima, Yoichi Kawakami, Ronny Kirste, Michael Kneissl, Robert Martin, Frank Mehnke, Matteo Meneghini, Abdallah Ougazzaden, Peter J Parbrook, Siddharth Rajan, Pramod Reddy, Friedhard Römer, Jan Ruschel, Biplab Sarkar, Ferdinand Scholz, Leo J Schowalter, Philip Shields, Zlatko Sitar, Luca Sulmoni, Tao Wang, Tim Wernicke, Markus Weyers, Bernd Witzigmann, Yuh-Renn Wu, Thomas Wunderer, Yuewei Zhang The 2020 UV emitter roadmap The 2020 UV emitter roadmap The 2020 UV emitter roadmap Journal of Physics D: Applied Physics, 53, 50, 503001-503001 Journal of Physics D: Applied Physics, 53, 50, 503001-503001 Journal of Physics D: Applied Physics, 53, 50, 503001-503001 2020/12/09 Refereed Research paper(scientific journal) Disclose to all
Ryota Ishii, Akira Yoshikawa, Kazuhiro Nagase, Mitsuru Funato, Yoichi Kawakami Ryota Ishii, Akira Yoshikawa, Kazuhiro Nagase, Mitsuru Funato, Yoichi Kawakami Ryota Ishii, Akira Yoshikawa, Kazuhiro Nagase, Mitsuru Funato, Yoichi Kawakami Temperature-dependent electroluminescence study on 265-nm AlGaN-based deep-ultraviolet light-emitting diodes grown on AlN substrates Temperature-dependent electroluminescence study on 265-nm AlGaN-based deep-ultraviolet light-emitting diodes grown on AlN substrates Temperature-dependent electroluminescence study on 265-nm AlGaN-based deep-ultraviolet light-emitting diodes grown on AlN substrates AIP Advances, 10, 12, 125014-125014 AIP Advances, 10, 12, 125014-125014 AIP Advances, 10, 12, 125014-125014 2020/12/01 Refereed English Research paper(scientific journal) Disclose to all
石井 良太, 吉川 陽, 永瀬 和宏, 船戸 充, 川上 養一 石井 良太, 吉川 陽, 永瀬 和宏, 船戸 充, 川上 養一 265 -nm AlGaN AlGaN-based LEDs grown on AlN substrates studied by electroluminescence and photoluminescence methods エレクトロルミネッセンス・フォトルミネッセンス法による AlN 基板上 265 nm 帯 AlGaN LED の評価 265 -nm AlGaN AlGaN-based LEDs grown on AlN substrates studied by electroluminescence and photoluminescence methods IEICE technical report, 120, 256, 21-24 電子情報通信学会技術研究報告, 120, 256, 21-24 IEICE technical report, 120, 256, 21-24 2020/11 Japanese Research paper(research society, symposium, etc.) Disclose to all
Ryota Ishii, Mitsuru Funato, Yoichi Kawakami Ryota Ishii, Mitsuru Funato, Yoichi Kawakami Ryota Ishii, Mitsuru Funato, Yoichi Kawakami Long-range electron-hole exchange interaction in aluminum nitride Long-range electron-hole exchange interaction in aluminum nitride Long-range electron-hole exchange interaction in aluminum nitride Physical Review B, 102, 15 Physical Review B, 102, 15 Physical Review B, 102, 15 2020/10/12 Refereed Research paper(scientific journal) Disclose to all
Ryota Ishii, Akira Yoshikawa, Kazuhiro Nagase, Mitsuru Funato, Yoichi Kawakami Ryota Ishii, Akira Yoshikawa, Kazuhiro Nagase, Mitsuru Funato, Yoichi Kawakami Ryota Ishii, Akira Yoshikawa, Kazuhiro Nagase, Mitsuru Funato, Yoichi Kawakami 265 nm AlGaN-based deep-ultraviolet light-emitting diodes grown on AlN substrates studied by photoluminescence spectroscopy under ideal pulsed selective and non-selective excitation conditions 265 nm AlGaN-based deep-ultraviolet light-emitting diodes grown on AlN substrates studied by photoluminescence spectroscopy under ideal pulsed selective and non-selective excitation conditions 265 nm AlGaN-based deep-ultraviolet light-emitting diodes grown on AlN substrates studied by photoluminescence spectroscopy under ideal pulsed selective and non-selective excitation conditions Applied Physics Express, 13, 10, 102005-102005 Applied Physics Express, 13, 10, 102005-102005 Applied Physics Express, 13, 10, 102005-102005 2020/10/01 Refereed Research paper(scientific journal) Disclose to all
Yuki Minami, Marilou Cadatal-Raduban, Koki Kuroda, Keito Shinohara, Youwei Lai, Kohei Yamanoi, Nobuhiko Sarukura, Toshihiko Shimizu, Ryota Ishii, Yoichi Kawakami, Nobuo Kabasawa, Takashi Amano, Kosuke Kiyohara, Motosuke Kiyohara Yuki Minami, Marilou Cadatal-Raduban, Koki Kuroda, Keito Shinohara, Youwei Lai, Kohei Yamanoi, Nobuhiko Sarukura, Toshihiko Shimizu, Ryota Ishii, Yoichi Kawakami, Nobuo Kabasawa, Takashi Amano, Kosuke Kiyohara, Motosuke Kiyohara Yuki Minami, Marilou Cadatal-Raduban, Koki Kuroda, Keito Shinohara, Youwei Lai, Kohei Yamanoi, Nobuhiko Sarukura, Toshihiko Shimizu, Ryota Ishii, Yoichi Kawakami, Nobuo Kabasawa, Takashi Amano, Kosuke Kiyohara, Motosuke Kiyohara Achromatic Deep Ultraviolet Lens Using Novel Optical Materials Achromatic Deep Ultraviolet Lens Using Novel Optical Materials Achromatic Deep Ultraviolet Lens Using Novel Optical Materials physica status solidi (b), 257, 8, 1900480-1900480 physica status solidi (b), 257, 8, 1900480-1900480 physica status solidi (b), 257, 8, 1900480-1900480 2020/08 Refereed Research paper(scientific journal) Disclose to all
A. Kafar, R. Ishii, K. Gibasiewicz, Y. Matsuda, S. Stanczyk, D. Schiavon, S. Grzanka, M. Tano, A. Sakaki, T. Suski, P. Perlin, M. Funato, Y. Kawakami A. Kafar, R. Ishii, K. Gibasiewicz, Y. Matsuda, S. Stanczyk, D. Schiavon, S. Grzanka, M. Tano, A. Sakaki, T. Suski, P. Perlin, M. Funato, Y. Kawakami A. Kafar, R. Ishii, K. Gibasiewicz, Y. Matsuda, S. Stanczyk, D. Schiavon, S. Grzanka, M. Tano, A. Sakaki, T. Suski, P. Perlin, M. Funato, Y. Kawakami Above 25 nm emission wavelength shift in blue-violet InGaN quantum wells induced by GaN substrate misorientation profiling: towards broad-band superluminescent diodes Above 25 nm emission wavelength shift in blue-violet InGaN quantum wells induced by GaN substrate misorientation profiling: towards broad-band superluminescent diodes Above 25 nm emission wavelength shift in blue-violet InGaN quantum wells induced by GaN substrate misorientation profiling: towards broad-band superluminescent diodes Optics Express, 28, 15, 22524-22524 Optics Express, 28, 15, 22524-22524 Optics Express, 28, 15, 22524-22524 2020/07/20 Refereed Research paper(scientific journal) Disclose to all
B. Mitchell, D. Timmerman, W. Zhu, J. Y. Lin, H. X. Jiang, J. Poplawsky, R. Ishii, Y. Kawakami, V. Dierolf, J. Tatebayashi, S. Ichikawa, Y. Fujiwara B. Mitchell, D. Timmerman, W. Zhu, J. Y. Lin, H. X. Jiang, J. Poplawsky, R. Ishii, Y. Kawakami, V. Dierolf, J. Tatebayashi, S. Ichikawa, Y. Fujiwara B. Mitchell, D. Timmerman, W. Zhu, J. Y. Lin, H. X. Jiang, J. Poplawsky, R. Ishii, Y. Kawakami, V. Dierolf, J. Tatebayashi, S. Ichikawa, Y. Fujiwara Direct detection of rare earth ion distributions in gallium nitride and its influence on growth morphology Direct detection of rare earth ion distributions in gallium nitride and its influence on growth morphology Direct detection of rare earth ion distributions in gallium nitride and its influence on growth morphology Journal of Applied Physics, 127, 1, 013102 Journal of Applied Physics, 127, 1, 013102 Journal of Applied Physics, 127, 1, 013102 2020/01/07 Refereed English Research paper(scientific journal) Disclose to all
Ryota Ishii, Rei Fukuta, Fumitaro Ishikawa, Masafumi Matsushita, Hiroaki Ohfuji, Toru Shinmei, Tetsuo Irifune, Mitsuru Funato, Yoichi Kawakami Ryota Ishii, Rei Fukuta, Fumitaro Ishikawa, Masafumi Matsushita, Hiroaki Ohfuji, Toru Shinmei, Tetsuo Irifune, Mitsuru Funato, Yoichi Kawakami Ryota Ishii, Rei Fukuta, Fumitaro Ishikawa, Masafumi Matsushita, Hiroaki Ohfuji, Toru Shinmei, Tetsuo Irifune, Mitsuru Funato, Yoichi Kawakami Deep-ultraviolet near band-edge emissions from nano-polycrystalline diamond Deep-ultraviolet near band-edge emissions from nano-polycrystalline diamond Deep-ultraviolet near band-edge emissions from nano-polycrystalline diamond High Pressure Research, 40, 1, 140-147 High Pressure Research, 40, 1, 140-147 High Pressure Research, 40, 1, 140-147 2019/12 Refereed English Research paper(scientific journal) Disclose to all
Kanako Shojiki, Ryota Ishii, Kenjiro Uesugi, Mitsuru Funato, Yoichi Kawakami, Hideto Miyake Kanako Shojiki, Ryota Ishii, Kenjiro Uesugi, Mitsuru Funato, Yoichi Kawakami, Hideto Miyake Kanako Shojiki, Ryota Ishii, Kenjiro Uesugi, Mitsuru Funato, Yoichi Kawakami, Hideto Miyake Impact of face-to-face annealed sputtered AlN on the optical properties of AlGaN multiple quantum wells Impact of face-to-face annealed sputtered AlN on the optical properties of AlGaN multiple quantum wells Impact of face-to-face annealed sputtered AlN on the optical properties of AlGaN multiple quantum wells AIP ADVANCES, 9, 12, 125342 AIP ADVANCES, 9, 12, 125342 AIP ADVANCES, 9, 12, 125342 2019/12 Refereed English Research paper(scientific journal) Disclose to all
Ryota Ishii, Shinichi Shikata, Tokuyuki Teraji, Hisao Kanda, Hideyuki Watanabe, Mitsuru Funato, Yoichi Kawakami Ryota Ishii, Shinichi Shikata, Tokuyuki Teraji, Hisao Kanda, Hideyuki Watanabe, Mitsuru Funato, Yoichi Kawakami Ryota Ishii, Shinichi Shikata, Tokuyuki Teraji, Hisao Kanda, Hideyuki Watanabe, Mitsuru Funato, Yoichi Kawakami Intrinsic exciton transitions of isotopically purified 13C studied by photoluminescence and transmission spectroscopy Intrinsic exciton transitions of isotopically purified 13C studied by photoluminescence and transmission spectroscopy Intrinsic exciton transitions of isotopically purified 13C studied by photoluminescence and transmission spectroscopy Japanese Jounral of Applied Physics, 59, 010903 Japanese Jounral of Applied Physics, 59, 010903 Japanese Jounral of Applied Physics, 59, 010903 2019/12 Refereed English Research paper(scientific journal) Disclose to all
Ryota Ishii, Mitsuru Funato, Yoichi Kawakami Ryota Ishii, Mitsuru Funato, Yoichi Kawakami Ryota Ishii, Mitsuru Funato, Yoichi Kawakami Pushing the limits of deep-ultraviolet scanning near-field optical microscopy Pushing the limits of deep-ultraviolet scanning near-field optical microscopy Pushing the limits of deep-ultraviolet scanning near-field optical microscopy APL Photonics, 4, 070801 APL Photonics, 4, 070801 APL Photonics, 4, 070801 2019/06 Refereed English Research paper(scientific journal) Disclose to all
Ryota Ishii, Shinichi Shikata, Tokuyuki Teraji, Hisao Kanda, Hideyuki Watanabe, Mitsuru Funato, Yoichi Kawakami Ryota Ishii, Shinichi Shikata, Tokuyuki Teraji, Hisao Kanda, Hideyuki Watanabe, Mitsuru Funato, Yoichi Kawakami Ryota Ishii, Shinichi Shikata, Tokuyuki Teraji, Hisao Kanda, Hideyuki Watanabe, Mitsuru Funato, Yoichi Kawakami Isotopic effects on phonons and excitons in diamond studied by deep-ultraviolet continuous-wave photoluminescence spectroscopy Isotopic effects on phonons and excitons in diamond studied by deep-ultraviolet continuous-wave photoluminescence spectroscopy Isotopic effects on phonons and excitons in diamond studied by deep-ultraviolet continuous-wave photoluminescence spectroscopy Japanese Journal of Applied Physics, 58, 010904 Japanese Journal of Applied Physics, 58, 010904 Japanese Journal of Applied Physics, 58, 010904 2018/12 Refereed English Research paper(scientific journal) Disclose to all
川上 養一, 船戸 充, 石井 良太 川上 養一, 船戸 充, 石井 良太 <大学の研究・動向>近接場光学顕微鏡の開発 : 光材料物性解明のためのツール開拓を目指して <大学の研究・動向>近接場光学顕微鏡の開発 : 光材料物性解明のためのツール開拓を目指して Cue : 京都大学電気関係教室技術情報誌, 40, 3-10 Cue : 京都大学電気関係教室技術情報誌, 40, 3-10 , 40, 3-10 2018/01 Japanese Research paper(bulletin of university, research institution) Disclose to all
石戸 亮祐, 石井 良太, 船戸 充, 川上 養一 石戸 亮祐, 石井 良太, 船戸 充, 川上 養一 多波長励起発光分離法を用いたInGaN薄膜のラマン散乱分光 (電子部品・材料) 多波長励起発光分離法を用いたInGaN薄膜のラマン散乱分光 (電子部品・材料) 電子情報通信学会技術研究報告 = IEICE technical report : 信学技報, 115, 330, 59-62 電子情報通信学会技術研究報告 = IEICE technical report : 信学技報, 115, 330, 59-62 , 115, 330, 59-62 2015/01 Japanese Research paper(scientific journal) Disclose to all
Ryota Ishii, Mitsuru Funato, Yoichi Kawakami Ryota Ishii, Mitsuru Funato, Yoichi Kawakami Ryota Ishii, Mitsuru Funato, Yoichi Kawakami Effects of strong electron-hole exchange and exciton-phonon interactions on the exciton binding energy of aluminum nitride Effects of strong electron-hole exchange and exciton-phonon interactions on the exciton binding energy of aluminum nitride Effects of strong electron-hole exchange and exciton-phonon interactions on the exciton binding energy of aluminum nitride JAPANESE JOURNAL OF APPLIED PHYSICS, 53, 9 JAPANESE JOURNAL OF APPLIED PHYSICS, 53, 9 JAPANESE JOURNAL OF APPLIED PHYSICS, 53, 9 2014/09 Refereed English Research paper(scientific journal) Disclose to all
石井 良太, 船戸 充, 川上 養一 石井 良太, 船戸 充, 川上 養一 (Al, Ga)N系半導体の物性予測に向けたGaNとAlNの物性定数の同定(<特集>固体紫外光源を目指した窒化物半導体結晶成長の最前線) (Al, Ga)N系半導体の物性予測に向けたGaNとAlNの物性定数の同定(<特集>固体紫外光源を目指した窒化物半導体結晶成長の最前線) 日本結晶成長学会誌, 41, 3 日本結晶成長学会誌, 41, 3 , 41, 3 2014/01 Refereed Japanese Research paper(scientific journal) Disclose to all
Ryota Ishii, Akio Kaneta, Mitsuru Funato, Yoichi Kawakami Ryota Ishii, Akio Kaneta, Mitsuru Funato, Yoichi Kawakami Ryota Ishii, Akio Kaneta, Mitsuru Funato, Yoichi Kawakami Complete set of deformation potentials for AlN determined by reflectance spectroscopy under uniaxial stress Complete set of deformation potentials for AlN determined by reflectance spectroscopy under uniaxial stress Complete set of deformation potentials for AlN determined by reflectance spectroscopy under uniaxial stress PHYSICAL REVIEW B, 87, 23 PHYSICAL REVIEW B, 87, 23 PHYSICAL REVIEW B, 87, 23 2013/06 Refereed English Research paper(scientific journal) Disclose to all
Mitsuaki Kaneko, Hironori Okumura, Ryota Ishii, Mitsuru Funato, Yoichi Kawakami, Tsunenobu Kimoto, Jun Suda Mitsuaki Kaneko, Hironori Okumura, Ryota Ishii, Mitsuru Funato, Yoichi Kawakami, Tsunenobu Kimoto, Jun Suda Mitsuaki Kaneko, Hironori Okumura, Ryota Ishii, Mitsuru Funato, Yoichi Kawakami, Tsunenobu Kimoto, Jun Suda Optical Properties of Highly Strained AlN Coherently Grown on 6H-SiC(0001) Optical Properties of Highly Strained AlN Coherently Grown on 6H-SiC(0001) Optical Properties of Highly Strained AlN Coherently Grown on 6H-SiC(0001) APPLIED PHYSICS EXPRESS, 6, 6 APPLIED PHYSICS EXPRESS, 6, 6 APPLIED PHYSICS EXPRESS, 6, 6 2013/06 Refereed English Research paper(scientific journal) Disclose to all
Ryota Ishii, Mitsuru Funato, Yoichi Kawakami Ryota Ishii, Mitsuru Funato, Yoichi Kawakami Ryota Ishii, Mitsuru Funato, Yoichi Kawakami Huge electron-hole exchange interaction in aluminum nitride Huge electron-hole exchange interaction in aluminum nitride Huge electron-hole exchange interaction in aluminum nitride PHYSICAL REVIEW B, 87, 16 PHYSICAL REVIEW B, 87, 16 PHYSICAL REVIEW B, 87, 16 2013/04 Refereed English Research paper(scientific journal) Disclose to all
Mitsuru Funato, Kazuhisa Matsuda, Ryan G. Banal, Ryota Ishii, Yoichi Kawakami Mitsuru Funato, Kazuhisa Matsuda, Ryan G. Banal, Ryota Ishii, Yoichi Kawakami Mitsuru Funato, Kazuhisa Matsuda, Ryan G. Banal, Ryota Ishii, Yoichi Kawakami Strong optical polarization in nonpolar (1(1)over-bar00) AlxGa1-xN/AlN quantum wells Strong optical polarization in nonpolar (1(1)over-bar00) AlxGa1-xN/AlN quantum wells Strong optical polarization in nonpolar (1(1)over-bar00) AlxGa1-xN/AlN quantum wells PHYSICAL REVIEW B, 87, 4 PHYSICAL REVIEW B, 87, 4 PHYSICAL REVIEW B, 87, 4 2013/01 Refereed English Research paper(scientific journal) Disclose to all
Mitsuru Funato, Kazuhisa Matsuda, Ryan G. Banal, Ryota Ishii, Yoichi Kawakami Mitsuru Funato, Kazuhisa Matsuda, Ryan G. Banal, Ryota Ishii, Yoichi Kawakami Mitsuru Funato, Kazuhisa Matsuda, Ryan G. Banal, Ryota Ishii, Yoichi Kawakami Homoepitaxy and Photoluminescence Properties of (0001) AlN Homoepitaxy and Photoluminescence Properties of (0001) AlN Homoepitaxy and Photoluminescence Properties of (0001) AlN APPLIED PHYSICS EXPRESS, 5, 8 APPLIED PHYSICS EXPRESS, 5, 8 APPLIED PHYSICS EXPRESS, 5, 8 2012/08 Refereed English Research paper(scientific journal) Disclose to all
石井 良太, 金田 昭男, バナル ライアン, 船戸 充, 川上 養一 石井 良太, 金田 昭男, バナル ライアン, 船戸 充, 川上 養一 窒化アルミニウムの電子状態に対する歪みの効果 窒化アルミニウムの電子状態に対する歪みの効果 電子情報通信学会技術研究報告. CPM, 電子部品・材料, 111, 291, 77-80 電子情報通信学会技術研究報告. CPM, 電子部品・材料, 111, 291, 77-80 , 111, 291, 77-80 2011/11 Japanese Research paper(scientific journal) Disclose to all
Ryota Ishii, Akio Kaneta, Mitsuru Funato, Yoichi Kawakami Ryota Ishii, Akio Kaneta, Mitsuru Funato, Yoichi Kawakami Ryota Ishii, Akio Kaneta, Mitsuru Funato, Yoichi Kawakami Strain-Induced Effects on the Electronic Band Structures in GaN/AlGaN Quantum Wells: Impact of Breakdown of the Quasicubic Approximation in GaN Strain-Induced Effects on the Electronic Band Structures in GaN/AlGaN Quantum Wells: Impact of Breakdown of the Quasicubic Approximation in GaN Strain-Induced Effects on the Electronic Band Structures in GaN/AlGaN Quantum Wells: Impact of Breakdown of the Quasicubic Approximation in GaN JAPANESE JOURNAL OF APPLIED PHYSICS, 49, 6 JAPANESE JOURNAL OF APPLIED PHYSICS, 49, 6 JAPANESE JOURNAL OF APPLIED PHYSICS, 49, 6 2010/06 Refereed English Research paper(scientific journal) Disclose to all
Ryota Ishii, Akio Kaneta, Mitsuru Funato, Yoichi Kawakami, Atsushi A. Yamaguchi Ryota Ishii, Akio Kaneta, Mitsuru Funato, Yoichi Kawakami, Atsushi A. Yamaguchi Ryota Ishii, Akio Kaneta, Mitsuru Funato, Yoichi Kawakami, Atsushi A. Yamaguchi All deformation potentials in GaN determined by reflectance spectroscopy under uniaxial stress: Definite breakdown of the quasicubic approximation All deformation potentials in GaN determined by reflectance spectroscopy under uniaxial stress: Definite breakdown of the quasicubic approximation All deformation potentials in GaN determined by reflectance spectroscopy under uniaxial stress: Definite breakdown of the quasicubic approximation PHYSICAL REVIEW B, 81, 15 PHYSICAL REVIEW B, 81, 15 PHYSICAL REVIEW B, 81, 15 2010/04 Refereed English Research paper(scientific journal) Disclose to all

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Conference Activities & Talks
Title Title(Japanese) Title(English) Conference Conference(Japanese) Conference(English) Promotor Promotor(Japanese) Promotor(English) Date Language Assortment Disclose
Recent progress in deep-ultraviolet scanning near-field optical microscope: a tool visualizing the luminescence properties of Al-rich AlGaN active layers[Invited] Recent progress in deep-ultraviolet scanning near-field optical microscope: a tool visualizing the luminescence properties of Al-rich AlGaN active layers [Invited] Recent progress in deep-ultraviolet scanning near-field optical microscope: a tool visualizing the luminescence properties of Al-rich AlGaN active layers [Invited] SPIE PHOTONICS WEST 2021 SPIE PHOTONICS WEST 2021 2021/03/08 Oral presentation(invited, special) Disclose to all
Exciton fine structure of aluminum nitride[Invited] Exciton fine structure of aluminum nitride [Invited] Exciton fine structure of aluminum nitride [Invited] SPIE PHOTONICS WEST 2020 SPIE PHOTONICS WEST 2020 2020/02/04 English Disclose to all
ダイヤモンドの励起子光物性とその深紫外光応用[Invited] ダイヤモンドの励起子光物性とその深紫外光応用 [Invited] 超高圧材料科学セミナー「高温・高圧合成ダイヤモンドの電子材料応用の可能性」 超高圧材料科学セミナー「高温・高圧合成ダイヤモンドの電子材料応用の可能性」 2019/12/23 Japanese Disclose to all
窒化物半導体光物性[Invited] 窒化物半導体光物性 [Invited] 第38回電子材料シンポジウム 第38回電子材料シンポジウム 2019/10/08 Japanese Disclose to all
ダイヤモンドを中心としたワイドギャップ半導体の深紫外光物性と同位体効果[Invited] ダイヤモンドを中心としたワイドギャップ半導体の深紫外光物性と同位体効果 [Invited] ニューダイヤモンドフォーラム第2回研究会 ニューダイヤモンドフォーラム第2回研究会 2019/09/30 Japanese Disclose to all
深紫外近接場光学顕微鏡の開発とAlリッチAlGaN系特異構造のPLマッピング評価[Invited] 深紫外近接場光学顕微鏡の開発とAlリッチAlGaN系特異構造のPLマッピング評価 [Invited] 第66回応用物理学会春季学術講演会 第66回応用物理学会春季学術講演会 2019/03/09 Disclose to all
Development of a deep-ultraviolet scanning nearfield optical microscope for nano-spectroscopic characterizations of AlxGa1-xN (x: 0∼1) active layers[Invited] Development of a deep-ultraviolet scanning nearfield optical microscope for nano-spectroscopic characterizations of AlxGa1-xN (x: 0∼1) active layers [Invited] Development of a deep-ultraviolet scanning nearfield optical microscope for nano-spectroscopic characterizations of AlxGa1-xN (x: 0∼1) active layers [Invited] IWN2018 IWN2018 IWN2018 2018/11/11 English Oral presentation(invited, special) Disclose to all
Optical properties of excitons in widegap semiconductors[Invited] Optical properties of excitons in widegap semiconductors [Invited] Optical properties of excitons in widegap semiconductors [Invited] ISPESE 2017 ISPESE 2017 ISPESE 2017 2017/03/10 Disclose to all
GaNとAlNの物性定数の同定と(Al,Ga)N系半導体の物性予測[Invited] GaNとAlNの物性定数の同定と(Al,Ga)N系半導体の物性予測 [Invited] 日本結晶成長学会 日本結晶成長学会 2016/05/09 Japanese Disclose to all
Title language:
Awards
Title(Japanese) Title(English) Organization name(Japanese) Organization name(English) Date
応用物理学会関係連合講演会講演奨励賞 応用物理学会 2010
Student Award Student Award The 37th International Symposium on Compound Semiconductors The 37th International Symposium on Compound Semiconductors 2010
EMS賞 第31回電子材料シンポジウム 2012
第8回窒化物半導体結晶成長講演会,研究奨励賞 日本結晶成長学会
第8回エヌエフ基金研究開発奨励賞(優秀賞)
External funds: competitive funds and Grants-in-Aid for Scientific Research (Kakenhi)
Type Position Title(Japanese) Title(English) Period
研究活動スタート支援 Representative 磁場下偏光反射・偏光フォトルミネッセンス測定によるAlNの励起子状態の解明 (平成26年度分) 2014/04/01-2015/03/31
若手研究(B) Representative 摂動下分光法の複合測定による(Al,In,Ga)N系半導体の光物性解明 (平成27年度分) 2015/04/01-2016/03/31
若手研究(B) Representative 摂動下分光法の複合測定による(Al,In,Ga)N系半導体の光物性解明 (平成28年度分) 2016/04/01-2017/03/31
若手研究(A) Representative 深紫外時空間スペクトロスコピーの開拓による超ワイドギャップ半導体の光物性解明 (平成29年度分) 2017/04/01-2018/03/31
若手研究(A) Representative 深紫外時空間スペクトロスコピーの開拓による超ワイドギャップ半導体の光物性解明 (平成30年度分) 2018/04/01-2019/03/31
基盤研究(B) Representative 極限環境下深紫外時空間分解分光法を用いた超ワイドギャップ半導体励起子工学の創成 (2019年度分) 2019/04/01-2020/03/31
Teaching subject(s)
Name(Japanese) Name(English) Term Department Period
電気電子工学実習 Advanced Practice of Electrical and Electronic Engineering 後期 工学部 2017/04-2018/03
電気電子工学実習 Advanced Practice of Electrical and Electronic Engineering 後期 工学部 2018/04-2019/03
電気電子工学実習 Advanced Practice of Electrical and Electronic Engineering 後期 工学部 2019/04-2020/03
電気電子工学実習 Advanced Practice of Electrical and Electronic Engineering 後期 工学部 2020/04-2021/03
電気電子工学実習 Advanced Practice of Electrical and Electronic Engineering 後期 工学部 2021/04-2022/03