Basic Information

Email Address

• Email Address

  nishikawa.tetsuri.2nkyoto-u.ac.jp

Professional Memberships

• To Present

  応用物理学会

Academic Degree

• 25 Mar. 2020

  京都大学修士（工学）
• 23 Mar. 2023

  京都大学博士（工学）

Academic Resume (Undergraduate School/Majors)

• 京都大学, 工学部工業化学科, 卒業

ID,URL

• ORCID ID

  0009-0002-5385-3114

• J-Global ID

  202301004287590567

researchmap URL

• https://researchmap.jp/tetsurinishikawa

Research

Papers

• Coherent photoelectrical readout of single spins in silicon carbide at room temperature

  Tetsuri Nishikawa; Naoya Morioka; Hiroshi Abe; Koichi Murata; Kazuki Okajima; Takeshi Ohshima; Hidekazu Tsuchida; Norikazu Mizuochi

  Nature Communications, 15 Apr. 2025, Peer-reviewed, Lead author

  
• Spin-Dependent Dynamics of Photocarrier Generation in Electrically Detected Nitrogen-Vacancy-Based Quantum Sensing

  Hiroki Morishita; Naoya Morioka; Testuri Nishikawa; Hajime Yao; Shinobu Onoda; Hiroshi Abe; Takeshi Ohshima; Norikazu Mizuochi

  Physical Review Applied, 20 Mar. 2023, Peer-reviewed

  Access this paper :

  
• Electrical detection of nuclear spins via silicon vacancies in silicon carbide at room temperature

  Tetsuri Nishikawa; Naoya Morioka; Hiroshi Abe; Hiroki Morishita; Takeshi Ohshima; Norikazu Mizuochi

  APPLIED PHYSICS LETTERS, Oct. 2022, Peer-reviewed, Lead author

  Access this paper :

  
• Shallow NV centers augmented by exploiting n-type diamond

  A. Watanabe; T. Nishikawa; H. Kato; M. Fujie; M. Fujiwara; T. Makino; S. Yamasaki; E.D. Herbschleb; N. Mizuochi

  Carbon, Jun. 2021, Peer-reviewed

  Access this paper :

  

Presentations

• 室温における4H-SiC中V2中心蛍光の偏光特性

  西川 哲理; 森岡 直也; 阿部 浩之; 大島 武; 水落 憲和

  第８５回応用物理学会秋季学術講演会, 20 Sep. 2024

  
• Spin-Dependent Photocarrier Generation Dynamics in Electrically Detected Nitrogen-Vacancy-Based Quantum Sensor

  H. Morishita; N. Morioka; T. Nishikawa; H. Yao; S. Onoda; H. Abe; T. Ohshima; N. Mizuochi

  INTERMAG 2023, May 2023

  
• 電気的検出型NV量子センシングにおける光キャリア生成のスピン依存性ダイナミクス

  森下 弘樹; 森岡 直也; 西川 哲理; 八尾 肇; 小野田 忍; 阿部 浩之; 大島 武; 水落 憲和

  第70回応用物理学会春季学術講演会, Mar. 2023

  
• Room-temperature electrical detection of nuclear spins in silicon carbide

  Naoya Morioka; Tetsuri Nishikawa; Hiroshi Abe; Hiroki Morishita; Takeshi Ohshima; Norikazu Mizuochi

  The 5th International Forum on QuantumMetrologyand Sensing, Nov. 2022

  
• Spin-Dependent Photocarrier Generation Dynamics in Electrically Detected NV-Based Quantum Sensor

  Hiroki Morishita; Naoya Morioka; Tetsuri Nishikawa; Hajime Yao; Shinobu Onoda; Hiroshi Abe; Takeshi Ohshima; Norikazu Mizuochi

  The 5th International Forum on QuantumMetrologyand Sensing, Nov. 2022

  
• Electrical detection of nuclear spin via silicon vacancy in 4H-SiC at room temperature

  西川哲理; 森岡直也; 阿部浩之; 森下弘樹; 大島武; 水落憲和

  第83回応用物理学会秋季学術講演会, Sep. 2022

  
• Studies of the Electrical Detection of NV Electron Spins in Diamond Toward the Enhancement of NV Quantum Sensor Sensitivity

  Hajime Yao; Hiroki Morishita; Naoya Morioka; Tetsuri Nishikawa; Shinobu Onoda; Hiroshi Abe; Takeshi Ohshima; Norikazu Mizuochi

  15th International Conference on New Diamond and Nano Carbons 2022, 07 Jun. 2022

  
• AC magnetic field sensing with ensemble NV centers using electrical detection methods

  Hiroki Morishita; Naoya Morioka; Tetsuri Nishikawa; Hajime Yao; Shinobu Onoda; Hiroshi Abe; Takeshi Ohshima; Norikazu Mizuochi

  The 4th International Forum on QuantumMetrologyand Sensing, Dec. 2021

  
• Electrical Detection of Magnetic Resonance of NV Centers in Diamond Around Zero Bias Voltages

  Hiroki Morishita; Tetsuri Nishikawa; Sinobu Onoda; Hiroshi Abe; Takeshi Ohshima; Norikazu Mizuochi

  The 3rd International Forum on Quantum Metrology and Sensing, Dec. 2020

  
• Improvement of charge stability and spin-coherence properties of near-surface NV centers in diamond

  Tetsuri Nishikawa; Akira Watanabe; Hiromitsu Kato; Masanori Fujiwara; Toshiharu Makino; Satoshi Yamasaki; Ernst David Herbschleb; Norikazu Mizuochi

  The 3rd International Forum on Quantum Metrology and Sensing, Dec. 2020

  
• 電気的磁気共鳴法用いたNV中心によるAC磁場測定と感度のゼロ印可電圧付近の電圧依存性

  森下 弘樹; 西川 哲理; 小野田 忍; 阿部 浩之; 大島 武; 水落 憲和

  第81回応用物理学会秋季学術講演会, Sep. 2020

  
• ダイヤモンド表面近傍NV中心の電荷安定性とスピンコヒーレンス特性の向上

  西川 哲理; 渡辺 顕; 加藤 宙光; 藤原 正規; 牧野 俊晴; 山崎 聡; rnst David Herbschleb; 水落 憲和

  第81回応用物理学会秋季学術講演会, Sep. 2020

  
• ゼロバイアス電圧下でのダイヤモンドNV中心の電気的磁気共鳴検出

  森下 弘樹; 西川 哲理; 小野田 忍; 阿部 浩之; 大島 武; 水落 憲和

  第67回応用物理学会春季学術講演会, Mar. 2020

  
• ダイヤモンド表面近傍のNV中心の安定性とスピンコヒーレンス特性

  渡辺 顕; 西川哲理; 加藤宙光; 牧野俊晴; 山崎聡; Ernst David Herbschleb; 水落憲和

  第67回応用物理学会春季学術講演会, Mar. 2020

  

External funds: Kakenhi

• 炭化ケイ素中色中心スピンの光電流検出磁気共鳴におけるキャリア輸送機構の解明

  Grant-in-Aid for Research Activity Start-up

  0302:Electrical and electronic engineering and related fields

  Kyoto University

  西川 哲理

  From 31 Aug. 2023, To 31 Mar. 2025, Granted

  SiC;量子;炭化ケイ素;色中心スピン;磁気共鳴

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23K19120/
• Pioneering technology for spin current generation in phosphorus-doped n-type diamond by photoelectron excitation.

  Grant-in-Aid for Early-Career Scientists

  Basic Section 28020:Nanostructural physics-related

  Kyoto University

  西川 哲理

  From 01 Apr. 2024, To 31 Mar. 2026, Granted

  ダイヤモンド

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24K17581/
• Organic quantum platform based on covalent bond between spin-functional polymer and diamond

  Grant-in-Aid for Scientific Research (B)

  Basic Section 21060:Electron device and electronic equipment-related

  Kyoto University

  重松 英

  From 01 Apr. 2024, To 31 Mar. 2027, Granted

  量子デバイス;ダイヤモンド;電子スピントロニクス

  https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-24K00945/