Okazaki Hiroyuki 岡崎宏之

… Alternative Names

岡崎宏之オカザキヒロユキ

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Researcher Number	90637886
Other IDs	https://orcid.org/0000-0002-4936-6869
Affiliation (Current)	2026: 国立研究開発法人量子科学技術研究開発機構, 高崎量子技術基盤研究所先端機能材料研究部, 主任研究員
Affiliation (based on the past Project Information) *help	2024: 国立研究開発法人量子科学技術研究開発機構, 高崎量子技術基盤研究所先端機能材料研究部, 主任研究員 2020 – 2023: 国立研究開発法人量子科学技術研究開発機構, 高崎量子応用研究所先端機能材料研究部, 主任研究員 2018 – 2020: 国立研究開発法人量子科学技術研究開発機構, 高崎量子応用研究所先端機能材料研究部, 博士研究員(任常)
Review Section/Research Field	Principal Investigator Basic Section 26020:Inorganic materials and properties-related Except Principal Investigator Basic Section 31020:Earth resource engineering, Energy sciences-related / Medium-sized Section 31:Nuclear engineering, earth resources engineering, energy engineering, and related fields / Basic Section 21060:Electron device and electronic equipment-related / Basic Section 31010:Nuclear engineering-related
Keywords	Principal Investigator 固体高分子形燃料電池(PEFC) / 荷電粒子ビーム / 炭素触媒 / 電極触媒 / 固体高分子形燃料電池 Except Principal Investigator 固体高分子形燃料電池(PEFC) / 原子空孔 / 荷電粒子ビーム / 酸素還元反応（ORR） / 電極触媒 … More / 固体高分子形燃料電池（PEFC） / 臨界電流特性 / 結晶欠陥 / 超伝導薄膜 / イオン照射 / ナノ構造 / 薄膜 / エネルギー機能材料 / Nドープカーボン触媒 / 固体高分子型燃料電池(PEFC) / 酸素還元反応(ORR) / 固体高分子形燃料電池 / フォノン物性 / N-C触媒 / Pt/C触媒 / 放射線 / 強誘電体ゲート電界効果トランジスタ / ガンマ線照射 / パワーデバイス / 電界効果トランジスタ / 強誘電体 / ダイヤモンド / 局所構造 / 界面電子状態 / 炭素担持Pt触媒 / 担体効果 / 電極触媒荷 / 原子空孔導入 / 炭素担体 / Pt触媒 / 界面構造 Less

Creation of next-generation high-performance superconducting wires with structural defects produced by ion irradiations
- Principal Investigator
  
  Toshinori Ozaki
- Project Period (FY)
  2024
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 31020:Earth resource engineering, Energy sciences-related
- Research Institution
  Kwansei Gakuin University
結合状態操作とドーピングによる局在電子状態を制御した高活性炭素触媒の創製Principal Investigator
- Principal Investigator
  
  岡崎宏之
- Project Period (FY)
  2022 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 26020:Inorganic materials and properties-related
- Research Institution
  National Institutes for Quantum Science and Technology
Creation of Fuel-Cell Electrocatalysts by Irradiation-Induced Atomic Vacancies: Performance Control Based on Clarification of Dynamic Behavior
- Principal Investigator
  
  Yamaki Tetsuya
- Project Period (FY)
  2021 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 31:Nuclear engineering, earth resources engineering, energy engineering, and related fields
- Research Institution
  National Institutes for Quantum Science and Technology
Study of low-loss diamond power FET with operation in harsh environments
- Principal Investigator
  
  Kawe Takeshi
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 21060:Electron device and electronic equipment-related
- Research Institution
  Kanazawa University
Single-atom catalysts on atomic vacancies created by charged-particle irradiation: the mechanism of high activity and guiding principle for catalyst design
- Principal Investigator
  
  YAMAKI Tetsuya
- Project Period (FY)
  2018 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 31010:Nuclear engineering-related
- Research Institution
  National Institutes for Quantum Science and Technology

All 2025 2024 2023 2022 2021 2020

All Journal Article Presentation Patent

[Journal Article] Effect of ion irradiation after platinum nanoparticles deposition onto glassy carbon substrates on microstructural evolution and oxygen reduction reaction activities2024
- Author(s)
  Taguchi Tomitsugu、Yamamoto Shunya、Koshikawa Hiroshi、Okazaki Hiroyuki、Idesaki Akira、Yamaki Tetsuya
- Journal Title
  
  Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
  
  Volume: 549 Pages: 165286-165286
- DOI
  10.1016/j.nimb.2024.165286
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K04387, KAKENHI-PROJECT-21H04669
[Journal Article] 380-keV Ar+-irradiation effects on optical phonons in graphite studied with transient reflection measurement2023
- Author(s)
  Kimata Tetsuya、Kato Taichi、Takagi Itsuki、Konno Yuma、Okazaki Hiroyuki、Yamamoto Shunya、Yamaki Tetsuya、Nakamura Kazutaka G.
- Journal Title
  
  Journal of Applied Physics
  
  Volume: 134 Issue: 13 Pages: 135306-135306
- DOI
  10.1063/5.0161215
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K18904, KAKENHI-PROJECT-21H04669
[Journal Article] Weakened Oxygen Adsorbing the Pt-O Bond of the Pt Catalyst Induced by Vacancy Introduction into Carbon Support2023
- Author(s)
  Okazaki Hiroyuki、Idesaki Akira、Koshikawa Hiroshi、Matsumura Daiju、Ikeda Takashi、Yamamoto Shunya、Yamaki Tetsuya
- Journal Title
  
  The Journal of Physical Chemistry C
  
  Volume: 127 Issue: 49 Pages: 23628-23633
- DOI
  10.1021/acs.jpcc.3c04117
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21H04669
[Journal Article] Platinum nanoparticles prepared by ion implantation exhibit high durability for fuel cell applications2023
- Author(s)
  Tetsuya Kimata、Taichi Kato、Itsuki Takagi、Yuma Konno、Hiroyuki Okazaki、Shunya Yamamoto、Tetsuya Yamaki、Kazutaka G. Nakamura
- Journal Title
  
  APL Materials
  
  Volume: 11 Issue: 6 Pages: 061115-061115
- DOI
  10.1063/5.0148263
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21H04669
[Journal Article] Radiation resistance of diamond FeFET with inorganic ferroelectric gate2022
- Author(s)
  T. Kawae, H. Okazaki, T. Yamaki
- Journal Title
  
  QST Takasaki Annual Report 2021
  
  Volume: QST-M-39 Pages: 43-43
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K04595
[Journal Article] Changes in electronic structure of carbon supports for Pt catalysts induced by vacancy formation due to Ar+ irradiation2020
- Author(s)
  Okazaki Hiroyuki、Kakitani Kenta、Kimata Tetsuya、Idesaki Akira、Koshikawa Hiroshi、Matsumura Daiju、Yamamoto Shunya、Yamaki Tetsuya
- Journal Title
  
  The Journal of Chemical Physics
  
  Volume: 152 Issue: 12 Pages: 124708-124708
- DOI
  10.1063/1.5144568
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H01923
[Patent] 電極触媒、燃料電池用電極、および燃料電池2024
- Inventor(s)
  岡崎宏之、山本春也、越川博、出崎亮、八巻徹也
- Industrial Property Rights Holder
  量子科学技術研究開発機構
- Industrial Property Rights Type
  特許
- Filing Date
  2024
- Data Source
  KAKENHI-PROJECT-21H04669
[Presentation] 炭素担体の表面改質による電極触媒の性能向上と省白金化2025
- Author(s)
  岡崎宏之
- Organizer
  新技術説明会
- Data Source
  KAKENHI-PROJECT-21H04669
[Presentation] 低エネルギーArイオン照射がGdBa2Cu3Oy線材の超伝導特性に与える影響2024
- Author(s)
  尾崎壽紀、森川陽向、岡崎宏之、越川博、山本春也、八巻徹也、佐伯盛久、末吉哲郎、坂根仁
- Organizer
  令和6年秋季　第85回応用物理学会秋季学術講演会
- Data Source
  KAKENHI-PROJECT-23K23288
[Presentation] 蓄熱がDLC膜の表面層形成に与える影響2024
- Author(s)
  村岡祐治、榎本奨、岳強、岡崎宏之
- Organizer
  スパッタリングおよびプラズマプロセス技術部会（SP部会）第180回定例研究会・第21回技術交流会
- Data Source
  KAKENHI-PROJECT-22K04705
[Presentation] Critical Current Properties and Structural Defects in High-Tc GdBa2Cu3Oy Superconducting Films Irradiated with 10 MeV Au-ions2024
- Author(s)
  T. Ozaki, H. Okazaki, H. Koshikawa, S. Yamamoto, T. Yamaki, M. Saeki, S. Semboshi, T. Sueyoshi, and H. Sakane
- Organizer
  第24回「イオンビームによる表面・界面の解析と改質」特別研究会
- Data Source
  KAKENHI-PROJECT-23K23288
[Presentation] 350 keV Arイオン照射したGdBa2Cu3Oy薄膜の超伝導特性2024
- Author(s)
  尾崎壽紀、森川陽向、岡崎宏之、越川博、山本春也、八巻徹也、佐伯盛久、末吉哲郎、坂根仁
- Organizer
  公益社団法人　日本金属学会2024 年春期講演（第174 回）大会
- Data Source
  KAKENHI-PROJECT-23K23288
[Presentation] A Study on Oxygen Post-Annealing of GdBa2Cu3Oy Coated Conductors Irradiated with Low-Energy Ions2024
- Author(s)
  Toshinori Ozaki, Hiroyuki Okazaki, Hiroshi Koshikawa, Shunya Yamamoto, Tetsuya Yamaki, Morihisa Saeki, Tetsuro Sueyoshi, and Hitoshi Sakane
- Organizer
  2024 Materials Research Society Spring Meeting & Exhibit
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K23288
[Presentation] Change of the oxygen adsorption states of Pt nanoparticles on carbon support by the ion irradiation2023
- Author(s)
  Hiroyuki Okazaki、Takashi Ikeda、Akira Idesaki、Hiroshi Koshikawa、Daiju Matsumura、Shunya Yamamoto、Tetsuya Yamaki
- Organizer
  MRM2023/IUMRS-ICA2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04669
[Presentation] Au ion irradiation of GdBa2Cu3Oy coated conductors: superconducting properties and induced defects2023
- Author(s)
  T. Ozaki, H. Okazaki, H. Koshikawa, S. Yamamoto, T. Yamaki, M. Saeki, T. Sueyoshi, S. Semboshi, A. Yabuuchi, and H. Sakane
- Organizer
  Irradiation Effects on HTS for Fusion (IREF23, 1tst International Workshop)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K23288
[Presentation] Coherent optical phonons in HOPG modified by Ar-ion irradiation2023
- Author(s)
  Tetsuya Kimata、Taichi Kato、Yuma Konno、Hiroyuki Okazaki、Shunya Yamamoto、Tetsuya Yamami、Kazutaka G. Nakamura
- Organizer
  33rd International conference on diamond and carbon materials
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04669
[Presentation] Superconducting Properties in GdBa2Cu3Oy Coated Conductors Modified by Ion Irradiation Followed by Oxygen Annealing2023
- Author(s)
  Toshinori Ozaki, Hiroyuki Okazaki, Hiroshi Koshikawa, Shunya Yamamoto, Tetsuya Yamaki, Tetsuro Sueyoshi, Hitoshi Sakane
- Organizer
  Materials Research Meeting (MRM) 2023/ International Union of Materials Research Societies - International Conference in Asia (IUMRS-ICA) 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K23288
[Presentation] Flux pinning performance of FeSe0.5Te0.5 thin films modified by low-energy ion irradiation2023
- Author(s)
  Toshinori Ozaki, Saku Yamashita, Tomoyuki Yoshida, Hiroyuki Okazaki, Syunya Yamamoto, Hiroshi Koshikawa, Tetsuya Yamaki, Qiang Li
- Organizer
  Cryogenic Engineering Conference - International Cryogenic Materials Conference (CEC-ICMC) 2023
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K23288
[Presentation] Prominent Performance of FeSe0.5Te0.5 Thin Films Produced by Low-energy Ion Irradiation2023
- Author(s)
  Toshinori Ozaki, Saku Yamashita, Tomoyuki Yoshida, Hiroyuki Okazaki, Syunya Yamamoto, Hiroshi Koshikawa, Tetsuya Yamaki, Qiang Li
- Organizer
  8th International Conference on Superconductivity and Magnetism 2023 (ICSM2023)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K23288
[Presentation] Effect of post-annealing in oxygen atmosphere on GdBa2Cu3Oy superconducting films irradiated with 10 MeV Au-ions2023
- Author(s)
  T. Ozaki, H. Okazaki, H. Koshikawa, S. Yamamoto, T. Yamaki, T. Sueyoshi, H. Sakane
- Organizer
  21st International Conference on radiation effects in insulators (REI-21)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K23288
[Presentation] X-ray Raman spectroscopy study of ion beam irradiated glassy carbon for in situ observation of light element based catalysts2023
- Author(s)
  Daiju Matsumura、Hiroyuki Okazaki、Akira Idesaki、Kenji Ishii、Tetsuya Yamaki
- Organizer
  21st International Conference on Radiation Effects in Insulators
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04669
[Presentation] 酸素アニールがAuイオン照射GdBa2Cu3Oy線材の超伝導特性に与える影響2023
- Author(s)
  尾崎壽紀，岡崎宏之，越川博, 山本春也，八巻徹也，末吉哲郎，坂根仁
- Organizer
  令和5年春季　第70回応用物理学会春季学術講演会
- Data Source
  KAKENHI-PROJECT-23K23288
[Presentation] Effect of post-annealing in oxygen atmosphere on GdBa2Cu3Oy superconducting films irradiated with 10 MeV Au-ions2023
- Author(s)
  Toshinori Ozaki、Hiroyuki Okazaki、Hiroshi Koshikawa、Shunya Yamamoto、Tetsuya Yamaki、Tetsuro Sueyoshi、Hitoshi Sakane
- Organizer
  21st International Conference on Radiation Effects in Insulators
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04669
[Presentation] Effect of ion irradiation after platinum deposition onto carbon substrates on oxygen reduction reaction activity of electrocatalysts2023
- Author(s)
  Tomitsugu Taguchi、Shunya Yamamoto、Hiroyuki Okazaki、Hiroshi Koshikawa、Akira Idesaki、Tetsuya Yamaki
- Organizer
  21st International Conference on Radiation Effects in Insulators
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04669
[Presentation] 酸素アニール温度が300 keV Heイオン照射GdBa2Cu3Oy線材の超伝導特性に与える影響2023
- Author(s)
  尾崎壽紀，野村謙太，岡崎宏之，越川博, 山本春也，八巻徹也，末吉哲郎，坂根仁
- Organizer
  令和5年秋季　第84回応用物理学会秋季学術講演会
- Data Source
  KAKENHI-PROJECT-23K23288
[Presentation] 190keVプロトン照射が鉄カルコゲナイドFeSe0.5Te0.5薄膜の超伝導特性に与える影響2022
- Author(s)
  山下朔、柏原卓弥、掛谷一弘、岡崎宏之、越川博、山本春也、八巻徹也、尾崎壽紀
- Organizer
  低温工学・超電導学会関西支部第21回低温工学・超伝導若手合同講演会
- Data Source
  KAKENHI-PROJECT-23K23288
[Presentation] FeSe0.5Te0.5超伝導薄膜への190keVプロトン照射効果2022
- Author(s)
  山下朔、柏原卓弥、掛谷一弘、岡崎宏之、越川博、山本春也、八巻徹也、尾崎壽紀
- Organizer
  令和4年秋季　第83回応用物理学会秋季学術講演会
- Data Source
  KAKENHI-PROJECT-23K23288
[Presentation] 強誘電体キャパシタに対する高強度ガンマ線照射耐性の検証2022
- Author(s)
  高橋克弥、水戸守輝、山河智哉、松本翼、徳田規夫、岡崎宏之、八巻徹也、川江健
- Organizer
  第6回有機・無機エレクトロニクスシンポジウム
- Data Source
  KAKENHI-PROJECT-20K04595
[Presentation] CSD法によるLaNiO3薄膜の自己配向成長と成膜条件の相関2021
- Author(s)
  芦原凛太郎、河原正美、岡崎宏之、山本春也、川江健
- Organizer
  第82回応用物理学会秋季学術講演会
- Data Source
  KAKENHI-PROJECT-20K04595

1. YAMAKI Tetsuya (10354937)

# of Collaborated Projects: 2 results

# of Collaborated Products: 7 results
2. 出崎亮 (10370355)

# of Collaborated Projects: 2 results

# of Collaborated Products: 5 results
3. 松村大樹 (30425566)

# of Collaborated Projects: 2 results

# of Collaborated Products: 4 results
4. 田口富嗣 (50354832)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
5. 池田隆司 (60370350)

# of Collaborated Projects: 2 results

# of Collaborated Products: 2 results
6. Kawe Takeshi (30401897)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
7. Toshinori Ozaki (20756663)

# of Collaborated Projects: 1 results

# of Collaborated Products: 13 results
8. 寺井隆幸 (90175472)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 中村一隆 (20302979)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
10. 村岡祐治 (10323635)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
11. 石神龍哉 (10359242)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 山本春也

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Okazaki Hiroyuki 岡崎 宏之

岡崎 宏之 オカザキ ヒロユキ

Research Projects

Research Products

Co-Researchers

Creation of next-generation high-performance superconducting wires with structural defects produced by ion irradiations

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

結合状態操作とドーピングによる局在電子状態を制御した高活性炭素触媒の創製Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Creation of Fuel-Cell Electrocatalysts by Irradiation-Induced Atomic Vacancies: Performance Control Based on Clarification of Dynamic Behavior

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Study of low-loss diamond power FET with operation in harsh environments

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Single-atom catalysts on atomic vacancies created by charged-particle irradiation: the mechanism of high activity and guiding principle for catalyst design

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Effect of ion irradiation after platinum nanoparticles deposition onto glassy carbon substrates on microstructural evolution and oxygen reduction reaction activities2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] 380-keV Ar+-irradiation effects on optical phonons in graphite studied with transient reflection measurement2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Weakened Oxygen Adsorbing the Pt-O Bond of the Pt Catalyst Induced by Vacancy Introduction into Carbon Support2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Platinum nanoparticles prepared by ion implantation exhibit high durability for fuel cell applications2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Radiation resistance of diamond FeFET with inorganic ferroelectric gate2022

Author(s)

Journal Title

Data Source

[Journal Article] Changes in electronic structure of carbon supports for Pt catalysts induced by vacancy formation due to Ar+ irradiation2020

Author(s)

Journal Title

DOI

Data Source

[Patent] 電極触媒、燃料電池用電極、および燃料電池2024

Inventor(s)

Industrial Property Rights Holder

Industrial Property Rights Type

Filing Date

Data Source

[Presentation] 炭素担体の表面改質による電極触媒の性能向上と省白金化2025

Author(s)

Organizer

Data Source

[Presentation] 低エネルギーArイオン照射がGdBa2Cu3Oy線材の超伝導特性に与える影響2024

Author(s)

Organizer

Data Source

[Presentation] 蓄熱がDLC膜の表面層形成に与える影響2024

Author(s)

Okazaki Hiroyuki 岡崎宏之

岡崎宏之オカザキヒロユキ