NAKAZAWA Ryotaro 中澤遼太郎

… Alternative Names

中澤遼太郎ナカザワリョウタロウ

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Researcher Number	71004371
Other IDs	https://orcid.org/0000-0002-9121-2759
Affiliation (Current)	2026: 千葉大学, 大学院工学研究院, 助教
Affiliation (based on the past Project Information) *help	2026: 分子科学研究所, 光分子科学研究領域, 特別研究員 2024: 分子科学研究所, 光分子科学研究領域, 特任研究員
Review Section/Research Field	Principal Investigator Basic Section 21050:Electric and electronic materials-related / 0302:Electrical and electronic engineering and related fields
Keywords	Principal Investigator 二光子光電子分光 / 状態密度 / 高感度紫外光電子分光 / ギャップ内準位 / 半導体

Research Projects
(2 results)
Research Products
(9 results)

透明酸化物半導体薄膜トランジスタの劣化機構の解明:ギャップ内状態密度の高感度定量Principal Investigator
- Principal Investigator
  
  中澤遼太郎
- Project Period (FY)
  2026 – 2028
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 21050:Electric and electronic materials-related
- Research Institution
  Institute for Molecular Science
半導体電気物性の起源: ギャップ内のppmオーダー低状態密度の定量観察と全容解明Principal Investigator
- Principal Investigator
  
  中澤遼太郎
- Project Period (FY)
  2024
- Research Category
  
  Grant-in-Aid for Research Activity Start-up
- Review Section
  
  0302:Electrical and electronic engineering and related fields
- Research Institution
  Institute for Molecular Science

All 2025 2024

All Journal Article Presentation

[Journal Article] Density of States around the Valence Top Region of Cu2O Thin Films Observed with Constant‐Initial‐State and Constant‐Final‐State Photoelectron Yield Spectroscopy2025
- Author(s)
  Inoue Shiun, Tateno Manato, Nakazawa Ryotaro, Miyagi Daichi, Kim Minseok, Jia Junjun, Shigesato Yuzo, Ishii Hisao
- Journal Title
  
  physica status solidi (RRL) - Rapid Research Letters
  
  Volume: - Issue: 11 Pages: 2400403-2400403
- DOI
  10.1002/pssr.202400403
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24K22962
[Journal Article] Impact of Nitrogen Doping on Leakage Current of p‐Type Cu2O‐Based pn Junctions for Ga2O3 Power Device Applications2025
- Author(s)
  Kim Minseok, Miyagi Daichi, Tamai Isao, Maeyama Yusuke, Oguchi Yuki、Inoue Shiun, Nakazawa Ryotaro, Jia Junjun, Ishii Hisao, Shigesato Yuzo
- Journal Title
  
  physica status solidi (RRL) - Rapid Research Letters
  
  Volume: - Issue: 11 Pages: 2400396-2400396
- DOI
  10.1002/pssr.202400396
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24K22962
[Journal Article] 高感度紫外光電子分光によるポリエチレン自立膜のギャップ内準位の直接観測と帯電シミュレーション2024
- Author(s)
  星川瑠菜, 山口雄生, 久保那緒斗, 吉澤雅弘, 大原正裕, 中澤遼太郎, 石井久夫
- Journal Title
  
  Journal of The Institute of Electrostatics Japan
  
  Volume: 48 Issue: 5 Pages: 195-200
- DOI
  10.34342/iesj.2024.48.5.195
- ISSN
  0386-2550
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-24K22962
[Presentation] 角度分解光電子分光によるダイマーMott 絶縁体β’-(BEDT-TTF)2ICl2 の電子構造観測2025
- Author(s)
  中澤遼太郎，福谷圭祐, 石田悠人, 小林拓矢, 谷口弘三，解良聡
- Organizer
  第72回応用物理学会春季学術講演会
- Data Source
  KAKENHI-PROJECT-24K22962
[Presentation] In2O3:H のギャップ内状態密度分布の直接観察と薄膜トランジスタ不安定性の起源2025
- Author(s)
  中澤遼太郎，曲勇作，太田裕道，解良聡
- Organizer
  第72回応用物理学会春季学術講演会
- Data Source
  KAKENHI-PROJECT-24K22962
[Presentation] p-type Cu2O films deposited by RF sputtering using Cu or Cu2O target2024
- Author(s)
  D. Miyagi, M. Kim, Y. Nohara, Y. Oguchi, S. Inoue, R. Nakazawa, I. Tamai, Y. Maeyama, H. Ishii and Y. Shigesato
- Organizer
  Transparent Conductive Oxides - Fundamentals and Applications (TCO2024)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24K22962
[Presentation] Observation of in-gap states in Cu2O thin films using constant initial and final states yield spectroscopy2024
- Author(s)
  S. Inoue, M. Tateno, R. Nakazawa, D. Miyagi, M. Kim J. Jia ,Y. Shigesato and H. Ishii,
- Organizer
  Transparent Conductive Oxides - Fundamentals and Applications (TCO2024)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24K22962
[Presentation] Density of states of in-gap states of organic semiconductors determined by photoemission total and partial yield spectroscopies using low-energy photons: Observation of the initial density of states, exciton fusions, and negative-polarons2024
- Author(s)
  Ryotaro Nakazawa, Masaya Kitaoka, Ryota Kaimori, and Hisao Ishii
- Organizer
  ThinFilms2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24K22962
[Presentation] In-gap states of an amorphous In-Ga-Zn-O4 thin film studied via photoemission spectroscopies: direct observation of light-induced in- gap states2024
- Author(s)
  R. Nakazawa, A. Matsuzaki, K. Shimizu, I. Nakamura, E. Kawashima, S. Makita, K. Tanaka, S. Yasuno, H. Sato, H. Yoshida, M. A. Jalebi, S. D. Stranks, S. Tadano, P. Krueger, Y. Tanaka, H. Tokairin, and H. Ishii
- Organizer
  Transparent Conductive Oxides - Fundamentals and Applications (TCO2024)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24K22962

NAKAZAWA Ryotaro 中澤 遼太郎

中澤 遼太郎 ナカザワ リョウタロウ

Research Projects

Research Products

透明酸化物半導体薄膜トランジスタの劣化機構の解明:ギャップ内状態密度の高感度定量Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

半導体電気物性の起源: ギャップ内のppmオーダー低状態密度の定量観察と全容解明Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Density of States around the Valence Top Region of Cu2O Thin Films Observed with Constant‐Initial‐State and Constant‐Final‐State Photoelectron Yield Spectroscopy2025

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Impact of Nitrogen Doping on Leakage Current of p‐Type Cu2O‐Based pn Junctions for Ga2O3 Power Device Applications2025

Author(s)

Journal Title

DOI

Data Source

[Journal Article] 高感度紫外光電子分光によるポリエチレン自立膜のギャップ内準位の直接観測と帯電シミュレーション2024

Author(s)

Journal Title

DOI

ISSN

Data Source

[Presentation] 角度分解光電子分光によるダイマーMott 絶縁体β’-(BEDT-TTF)2ICl2 の電子構造観測2025

Author(s)

Organizer

Data Source

[Presentation] In2O3:H のギャップ内状態密度分布の直接観察と薄膜トランジスタ不安定性の起源2025

Author(s)

Organizer

Data Source

[Presentation] p-type Cu2O films deposited by RF sputtering using Cu or Cu2O target2024

Author(s)

Organizer

Data Source

[Presentation] Observation of in-gap states in Cu2O thin films using constant initial and final states yield spectroscopy2024

Author(s)

Organizer

Data Source

[Presentation] Density of states of in-gap states of organic semiconductors determined by photoemission total and partial yield spectroscopies using low-energy photons: Observation of the initial density of states, exciton fusions, and negative-polarons2024

Author(s)

Organizer

Data Source

[Presentation] In-gap states of an amorphous In-Ga-Zn-O4 thin film studied via photoemission spectroscopies: direct observation of light-induced in- gap states2024

Author(s)

Organizer

Data Source

NAKAZAWA Ryotaro 中澤遼太郎

中澤遼太郎ナカザワリョウタロウ