SUTO Hirofumi 首藤浩文

Researcher Number	00912940
Other IDs	https://orcid.org/0000-0003-4387-5862
Affiliation (Current)	2026: 国立研究開発法人物質・材料研究機構, 磁性・スピントロニクス材料研究センター, 主任研究員
Affiliation (based on the past Project Information) *help	2023 – 2024: 国立研究開発法人物質・材料研究機構, 磁性・スピントロニクス材料研究センター, 主任研究員 2021 – 2022: 国立研究開発法人物質・材料研究機構, 磁性・スピントロニクス材料研究拠点, 主任研究員
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 負のスピン分極 / マイクロ波アシスト / 磁気記録 / 負のスピン分極率 / スピントランスファートルク / 磁気抵抗効果 / ホイスラー合金 / ハーフメタル材料 / スピントルク / 負のスピン分極材料 … More / マイクロ波アシスト磁化反転 / injection locking / 同期 / スピントルク発振素子 Less

Development of half-metallic materials with negative spin polarization and application to highly efficient spin-torque oscillatorsPrincipal Investigator
- Principal Investigator
  
  首藤浩文
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 21050:Electric and electronic materials-related
- Research Institution
  National Institute for Materials Science
Development of a novel analysis method of spin-torque oscillators for understanding the magnetization dynamicsPrincipal Investigator
- Principal Investigator
  
  SUTO Hirofumi
- Project Period (FY)
  2021 – 2022
- Research Category
  
  Grant-in-Aid for Research Activity Start-up
- Review Section
  
  0302:Electrical and electronic engineering and related fields
- Research Institution
  National Institute for Materials Science

All 2024 2023 2022

All Journal Article Presentation

[Journal Article] Enhancing atomic ordering, magnetic and transport properties of Mn2VGa Heusler alloy thin films toward negatively spin-polarized charge injection2024
- Author(s)
  Z.H. Li, H. Suto, V. Barwal, K. Masuda, T.T. Sasaki, Z.X. Chen, H. Tajiri, L.S.R. Kumara, T. Koganezawa, K. Amemiya, S. Kokado, K. Hono, Y. Sakuraba
- Journal Title
  
  Acta Materialia
  
  Volume: 276 Pages: 120110-120110
- DOI
  10.1016/j.actamat.2024.120110
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K05249, KAKENHI-PROJECT-23K03934, KAKENHI-PROJECT-24K07605
[Journal Article] Negative spin polarization and effect of composition on the atomic order and electronic structure of Mn2VAl Heusler alloy thin films2024
- Author(s)
  Suto Hirofumi、Barwal Vineet、Masuda Keisuke、Simalaotao Kodchakorn、Sasaki Taisuke、Miura Yoshio、Tajiri Hiroo、Kumara Loku Singgappulige Rosantha、Koganezawa Tomoyuki、Sakuraba Yuya
- Journal Title
  
  Physical Review Materials
  
  Volume: 8 Issue: 11 Pages: 114408-114408
- DOI
  10.1103/physrevmaterials.8.114408
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K03934
[Journal Article] Negative spin polarization of Mn2VGa Heusler alloy thin films studied in current-perpendicular-to-plane giant magnetoresistance devices2024
- Author(s)
  Suto Hirofumi、Barwal Vineet、Simalaotao Kodchakorn、Li Zehao、Masuda Keisuke、Sasaki Taisuke、Miura Yoshio、Sakuraba Yuya
- Journal Title
  
  Journal of Applied Physics
  
  Volume: 135 Issue: 20 Pages: 123906-123906
- DOI
  10.1063/5.0207980
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K03934
[Journal Article] Evaluation of spin-transfer-torque efficiency using magnetization reversal against a magnetic field: comparison of FeCr with negative spin polarization and NiFe2023
- Author(s)
  Suto Hirofumi、Nakatani Tomoya、Asam Nagarjuna、Iwasaki Hitoshi、Sakuraba Yuya
- Journal Title
  
  Applied Physics Express
  
  Volume: 16 Issue: 1 Pages: 013003-013003
- DOI
  10.35848/1882-0786/acb310
- Data Source
  KAKENHI-PROJECT-21K20434
[Journal Article] Study on FeCr thin film for a spintronic material with negative spin polarization2022
- Author(s)
  Suto Hirofumi、Nakatani Tomoya、Kota Yohei、Asam Nagarjuna、Iwasaki Hitoshi、Amemiya Kenta、Mitsui Takaya、Sakai Seiji、Li Songtian、Sakuraba Yuya
- Journal Title
  
  Journal of Magnetism and Magnetic Materials
  
  Volume: 557 Pages: 169474-169474
- DOI
  10.1016/j.jmmm.2022.169474
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K15017, KAKENHI-PROJECT-21K20434
[Presentation] Mn2VGa and Mn2VAl Heusler alloys with negative spin polarizationfor efficient spin-transfer-torque-based devices2024
- Author(s)
  SUTO, Hirofumi, BARWAL, Vineet, SIMALAOTAO, Kodchakorn, LI, Zehao, MASUDA, Keisuke, SASAKI, Taisuke, MIURA, Yoshio, SAKURABA, Yuya.
- Organizer
  TMRC2024
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K03934
[Presentation] Mn2VAlホイスラー合金の負のスピン分極率：規則化と電子状態に対する組成の影響2024
- Author(s)
  首藤浩文, バルワルビニート, 増田啓介, シマラオタオコチャコン, 佐々木泰祐, 三浦良雄, 田尻寛男, クマーラロシャンタ, 小金澤智之, 桜庭裕弥.
- Organizer
  磁気学会学術講演会 2024
- Data Source
  KAKENHI-PROJECT-23K03934
[Presentation] データセンターを支える磁気記録デバイスの高記録密度化にむけた高周波ナノスピントロ二クスデバイスの研究2024
- Author(s)
  首藤浩文
- Organizer
  SAT テクノロジーショーケース 2024
- Invited
- Data Source
  KAKENHI-PROJECT-23K03934
[Presentation] 負のスピン分極を有する FeCr合金のスピントロニクス応用とメスバウアー分光法による解析2023
- Author(s)
  首藤浩文、 Nagarjuna Asam、中谷友也、岩崎仁志、桜庭裕也、小田洋平、雨宮健太、三井隆也、境誠司、李松田
- Organizer
  メスバウアー研究会シンポジウム
- Data Source
  KAKENHI-PROJECT-21K20434
[Presentation] Negative spin polarization of Mn2VGa Heusler alloy thin film studied in current-perpendicular-to-plane giant magnetoresistance devices2023
- Author(s)
  Hirofumi Suto, Vineet Barwal, Zehao Li, Keisuke Masuda, Taisuke Sasaki, and Yuya Sakuraba
- Organizer
  Intermag 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K03934
[Presentation] Sputter growth and anisotropic magnetoresistance effect in epitaxial thin films of Mn-based Heusler alloys: Mn2VGa and Mn2VAl2023
- Author(s)
  H. Suto, V. Barwal, Z. Li, K. Masuda, T. Sasaki, S. Kokado, and Y. Sakuraba
- Organizer
  磁気学会学術講演会 2023
- Data Source
  KAKENHI-PROJECT-23K03934
[Presentation] Negative spin polarization of Mn2VGa Heusler alloy thin film studied in current-perpendicular-to-plane giant magnetoresistance devices2023
- Author(s)
  Hirofumi Suto, Vineet Barwal, Zehao Li, Keisuke Masuda, Taisuke Sasaki, and Yuya Sakuraba
- Organizer
  Intermag 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K20434
[Presentation] Analysis of a Spin-Torque Oscillator using Injection Locking to an External Microwave Field2022
- Author(s)
  H. Suto*, N. Asam, S. Tamaru, H. Sepehri-Amin, A. Bolyachkin, W. Zhou, T. Nakatani, H. Kubota, and Y. Sakuraba
- Organizer
  ICMFS2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K20434
[Presentation] Microstructure and transport properties in MnVGa Heusler alloy thin films2022
- Author(s)
  Z.H. Li (P), H. Suto, V. Barwal, K. Masuda, T.T. Sasaki, H. Tajiri, L.S.R. Kumara, T. Koganezawa, K. Amemiya, Y. Sakuraba, K. Hono
- Organizer
  金属学会 2022秋期講演大会
- Data Source
  KAKENHI-PROJECT-21K20434
[Presentation] Evaluation of spin-transfer-torque efficiency of FeCr with negative spin polarization using magnetization reversal against a magnetic field2022
- Author(s)
  Hirofumi Suto, Tomoya Nakatani, Nagarjuna Asam, Hitoshi Iwasaki, and Yuya Sakuraba
- Organizer
  応用物理学会 2022 秋季学術講演会
- Data Source
  KAKENHI-PROJECT-21K20434

1. 磯上慎二 (10586853)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
2. 増田啓介 (40732178)

# of Collaborated Projects: 1 results

# of Collaborated Products: 6 results
3. 古門聡士

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
4. 小田洋平

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

SUTO Hirofumi 首藤 浩文

Research Projects

Research Products

Co-Researchers

Development of half-metallic materials with negative spin polarization and application to highly efficient spin-torque oscillatorsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of a novel analysis method of spin-torque oscillators for understanding the magnetization dynamicsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Enhancing atomic ordering, magnetic and transport properties of Mn2VGa Heusler alloy thin films toward negatively spin-polarized charge injection2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Negative spin polarization and effect of composition on the atomic order and electronic structure of Mn2VAl Heusler alloy thin films2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Negative spin polarization of Mn2VGa Heusler alloy thin films studied in current-perpendicular-to-plane giant magnetoresistance devices2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Evaluation of spin-transfer-torque efficiency using magnetization reversal against a magnetic field: comparison of FeCr with negative spin polarization and NiFe2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Study on FeCr thin film for a spintronic material with negative spin polarization2022

Author(s)

Journal Title

DOI

Data Source

[Presentation] Mn2VGa and Mn2VAl Heusler alloys with negative spin polarizationfor efficient spin-transfer-torque-based devices2024

Author(s)

Organizer

Data Source

[Presentation] Mn2VAlホイスラー合金の負のスピン分極率：規則化と電子状態に対する組成の影響2024

Author(s)

Organizer

Data Source

[Presentation] データセンターを支える磁気記録デバイスの 高記録密度化にむけた 高周波ナノスピントロ二クスデバイスの研究2024

Author(s)

Organizer

Data Source

[Presentation] 負のスピン分極を有する FeCr合金のスピントロニクス応用と メスバウアー分光法による解析2023

Author(s)

Organizer

Data Source

[Presentation] Negative spin polarization of Mn2VGa Heusler alloy thin film studied in current-perpendicular-to-plane giant magnetoresistance devices2023

Author(s)

Organizer

Data Source

[Presentation] Sputter growth and anisotropic magnetoresistance effect in epitaxial thin films of Mn-based Heusler alloys: Mn2VGa and Mn2VAl2023

Author(s)

Organizer

Data Source

[Presentation] Negative spin polarization of Mn2VGa Heusler alloy thin film studied in current-perpendicular-to-plane giant magnetoresistance devices2023

Author(s)

Organizer

Data Source

[Presentation] Analysis of a Spin-Torque Oscillator using Injection Locking to an External Microwave Field2022

Author(s)

Organizer

Data Source

[Presentation] Microstructure and transport properties in MnVGa Heusler alloy thin films2022

Author(s)

Organizer

Data Source

[Presentation] Evaluation of spin-transfer-torque efficiency of FeCr with negative spin polarization using magnetization reversal against a magnetic field2022

Author(s)

Organizer

SUTO Hirofumi 首藤浩文

[Presentation] データセンターを支える磁気記録デバイスの高記録密度化にむけた高周波ナノスピントロ二クスデバイスの研究2024

[Presentation] 負のスピン分極を有する FeCr合金のスピントロニクス応用とメスバウアー分光法による解析2023