Hanzawa Kota 半沢幸太

Researcher Number	30849526
Other IDs
Affiliation (Current)	2026: 東京科学大学, 総合研究院, 助教
Affiliation (based on the past Project Information) *help	2024: 東京科学大学, 総合研究院, 助教 2021 – 2023: 東京工業大学, 科学技術創成研究院, 助教 2020: 東京工業大学, 科学技術創成研究院, 研究員
Review Section/Research Field	Principal Investigator Basic Section 29020:Thin film/surface and interfacial physical properties-related
Keywords	Principal Investigator エピタキシャル成長 / 電子構造 / トポタクッティック反応 / トポタクッティック / エピタキシャル / 水素 / 鉄系超伝導体 / 強磁場 / 臨界磁場 / 臨界電流 … More / ドーピング / エピタキシャル薄膜 / 超伝導 / 発光 / 薄膜 / カルコゲナイド / 光電子物性 / 結晶工学 / 窒化物 / 硫化物 / ペロブスカイト / 光物性 / 薄膜成長 / 半導体 Less

Characterization of electronic structure of H-doped 1111-type iron-based superconductor filmPrincipal Investigator
- Principal Investigator
  
  hanzawa kota
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 29020:Thin film/surface and interfacial physical properties-related
- Research Institution
  Institute of Science Tokyo
Development of efficient green-light emitting diode based on band foldingPrincipal Investigator
- Principal Investigator
  
  Hanzawa Kota
- Project Period (FY)
  2020 – 2023
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 29020:Thin film/surface and interfacial physical properties-related
- Research Institution
  Tokyo Institute of Technology

All 2025 2024 2023 2020

All Journal Article Presentation

[Journal Article] Wide-Gap p-Type Layered Oxychalcogenides AE2CuInO3Ch (AE: Alkaline Earth; Ch: Chalcogen): Unusually Low Residual Carrier Concentration and Green-to-Red Emission2024
- Author(s)
  He Xinyi、Cho Tatsuya、Katase Takayoshi、Hanzawa Kota、Kitani Suguru、Hiramatsu Hidenori、Hosono Hideo、Kamiya Toshio
- Journal Title
  
  Chemistry of Materials
  
  Volume: 36 Issue: 12 Pages: 6086-6099
- DOI
  10.1021/acs.chemmater.4c00724
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22H04964, KAKENHI-PROJECT-21H04612, KAKENHI-PROJECT-23K23034, KAKENHI-PROJECT-22K14601, KAKENHI-PROJECT-24K21671
[Journal Article] Quadrupling the depairing current density in the iron-based superconductor SmFeAsO1-xHx2024
- Author(s)
  Miura M、Eley S、Iida K、Hanzawa K、Matsumoto J、Hiramatsu H、Ogimoto Y、Suzuki T、Kobayashi T、Ozaki T、Kurokawa H、Sekiya N、Yoshida R、Kato T、Okada T、Okazaki H、Yamaki T、Hanisch J、Awaji S、Maeda A、Maiorov B、Hosono H
- Journal Title
  
  Nature Materials
  
  Volume: 23 Issue: 10 Pages: 1370-1378
- DOI
  10.1038/s41563-024-01952-7
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14601, KAKENHI-PROJECT-24K06952, KAKENHI-PROJECT-24KJ0799
[Journal Article] Carrier generation and compensation mechanism in La2SnO2S32024
- Author(s)
  Nagafuji Teruya、Osuna Koshiro、Hanzawa Kota、Gake Tomoya、Bae Soungmin、Hu Zhongxu、Katase Takayoshi、Takahashi Akira、Hiramatsu Hidenori、Oba Fumiyasu
- Journal Title
  
  Journal of Materials Chemistry C
  
  Volume: 12 Issue: 31 Pages: 12015-12025
- DOI
  10.1039/d4tc01116c
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21H04612, KAKENHI-PROJECT-24H00376, KAKENHI-PROJECT-22K14601, KAKENHI-PROJECT-23KF0030
[Journal Article] Phonon drag thermopower persisting over 200 K in FeSb2 thin film on SrTiO3 single crystal2024
- Author(s)
  Yamamoto Chihiro、He Xinyi、Hanzawa Kota、Katase Takayoshi、Sasase Masato、Yamaura Jun-ichi、Hiramatsu Hidenori、Hosono Hideo、Kamiya Toshio
- Journal Title
  
  Applied Physics Letters
  
  Volume: 124 Issue: 19 Pages: 193902-193902
- DOI
  10.1063/5.0204885
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22H04964, KAKENHI-PROJECT-21H04612, KAKENHI-PROJECT-23K23034, KAKENHI-PROJECT-22K14601, KAKENHI-PROJECT-24K21671
[Journal Article] Heteroepitaxial Growth, Degenerate State, and Superconductivity of Perovskite-Type LaWN3 Thin Films2023
- Author(s)
  Kota Hanzawa, Hidenori Hiramatsu
- Journal Title
  
  ACS Applied Electronic Materials
  
  Volume: 5 Issue: 5 Pages: 2793-2798
- DOI
  10.1021/acsaelm.3c00249
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K14601, KAKENHI-PROJECT-20K15170
[Journal Article] Extraordinary Strong Band‐Edge Absorption in Distorted Chalcogenide Perovskites2020
- Author(s)
  Nishigaki Yukinori、Nagai Takayuki、Nishiwaki Mitsutoshi、Aizawa Takuma、Kozawa Masayuki、Hanzawa Kota、Kato Yoshitsune、Sai Hitoshi、Hiramatsu Hidenori、Hosono Hideo、Fujiwara Hiroyuki
- Journal Title
  
  Solar RRL
  
  Volume: 4 Issue: 5 Pages: 1900555-1900555
- DOI
  10.1002/solr.201900555
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K23507, KAKENHI-PROJECT-20K15170, KAKENHI-PROJECT-19H02167
[Presentation] Analyses of Upper Critical Field for H-Substituted SmFeAsO Epitaxial Films Based on Single- and Multi-Band Theoretical Models2025
- Author(s)
  Kota Hanzawa, Masashi Miura, Jumpei Matsumoto, Hidenori Hiramatsu, and Hideo Hosono
- Organizer
  Iron-based Superconductors:Advances towards applications 2025 (IBS2app 2025)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14601
[Presentation] Heteroepitaxial Growth of a Perovskite Type Nitride2024
- Author(s)
  Kota Hanzawa and Hidenori Hiramatsu
- Organizer
  13th The International Conference on the Science and Technology for Advanced Ceramics (STAC13)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K15170
[Presentation] Highly Hydrogen-Substituted 1111-Type SmFeAsO Epitaxial Films: Fabrication and Superconducting Properties2023
- Author(s)
  Kota Hanzawa, Hidenori Hiramatsu, Hideo Hosono
- Organizer
  The 8th International Conference on Superconductivity and Magnetism (ICSM2023)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14601
[Presentation] The 3rd International Symposium on Design & Engineering by Joint Inverse Innovation for Materials Architecture (DEJI2MA-3)2023
- Author(s)
  Kota Hanzawa, Yu Toriumi, Tatsuya Sano, and Hidenori Hiramatsu
- Organizer
  Thin Film Growth and Characterization of Functional Nitride Semiconductors
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K15170
[Presentation] Superconductivity of Iron-Based Superconductor Films Heavily Doped by Hydrogen2023
- Author(s)
  Kota Hanzawa, Hidenori Hiramatsu, Hideo Hosono
- Organizer
  MRM2023/IUMRS-ICA2023
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14601

1. 片瀬貴義

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results
2. 永井隆之

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
3. 平松秀典

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Hanzawa Kota 半沢 幸太

Research Projects

Research Products

Co-Researchers

Characterization of electronic structure of H-doped 1111-type iron-based superconductor filmPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of efficient green-light emitting diode based on band foldingPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Wide-Gap p-Type Layered Oxychalcogenides AE2CuInO3Ch (AE: Alkaline Earth; Ch: Chalcogen): Unusually Low Residual Carrier Concentration and Green-to-Red Emission2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Quadrupling the depairing current density in the iron-based superconductor SmFeAsO1-xHx2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Carrier generation and compensation mechanism in La2SnO2S32024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Phonon drag thermopower persisting over 200 K in FeSb2 thin film on SrTiO3 single crystal2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Heteroepitaxial Growth, Degenerate State, and Superconductivity of Perovskite-Type LaWN3 Thin Films2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Extraordinary Strong Band‐Edge Absorption in Distorted Chalcogenide Perovskites2020

Author(s)

Journal Title

DOI

Data Source

[Presentation] Analyses of Upper Critical Field for H-Substituted SmFeAsO Epitaxial Films Based on Single- and Multi-Band Theoretical Models2025

Author(s)

Organizer

Data Source

[Presentation] Heteroepitaxial Growth of a Perovskite Type Nitride2024

Author(s)

Organizer

Data Source

[Presentation] Highly Hydrogen-Substituted 1111-Type SmFeAsO Epitaxial Films: Fabrication and Superconducting Properties2023

Author(s)

Organizer

Data Source

[Presentation] The 3rd International Symposium on Design & Engineering by Joint Inverse Innovation for Materials Architecture (DEJI2MA-3)2023

Author(s)

Organizer

Data Source

[Presentation] Superconductivity of Iron-Based Superconductor Films Heavily Doped by Hydrogen2023

Author(s)

Organizer

Data Source

Hanzawa Kota 半沢幸太