Kofu Maiko 古府麻衣子

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KOFU Maiko 古府麻衣子

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Researcher Number	70549568
Other IDs	https://orcid.org/0000-0003-3756-2157
Affiliation (Current)	2024: 国立研究開発法人日本原子力研究開発機構, J－PARCセンター, 研究副主幹
Affiliation (based on the past Project Information) *help	2024: 国立研究開発法人日本原子力研究開発機構, J－PARCセンター, 研究副主幹 2021 – 2023: 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門 J－PARCセンター, 研究副主幹 2019: 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門 J－PARCセンター, 研究副主幹 2016 – 2018: 国立研究開発法人日本原子力研究開発機構, 原子力科学研究部門 J－PARCセンター, 任期付研究員 2009 – 2015: The University of Tokyo, 物性研究所, 助教 2010: 東京大学, 助教
Review Section/Research Field	Principal Investigator Condensed matter physics I / Basic Section 13030:Magnetism, superconductivity and strongly correlated systems-related / Biological physics/Chemical physics/Soft matter physics / Condensed matter physics II Except Principal Investigator Medium-sized Section 13:Condensed matter physics and related fields / Biophysics/Chemical physics
Keywords	Principal Investigator 中性子散乱 / 局所磁気励起 / スピングラス / 物性実験 / 磁気励起 / 磁性 / イオン液体 / 磁性イオン液体 / 希土類元素 / 単分子磁石 … More / 国際研究者交流(フランス) / 国際研究者交流(米国) / 拡散 / 包接化合物 / 水素 / 強相関電子系 / 同形転移 / ラットリング / βパイロクロア酸化物 … More Except Principal Investigator 中性子小角散乱 / 冷中性子非弾性散乱 / トポロジカル磁気励起 / トポロジカル磁気構造 / 中性子散乱 / 残余エントロピー / アニール効果 / 構造 / Ｘ線回折 / 物性実験 / 化学物理 / 低エネルギー励起 / ガラス転移 / 蒸着法 / X線回折 / エントロピー / 熱容量 Less

International collaboration on topological magnetic structures and excitations in quantum magnets using neutron scattering
- Principal Investigator
  
  佐藤卓
- Project Period (FY)
  2023 – 2026
- Research Category
  
  Fund for the Promotion of Joint International Research (International Collaborative Research)
- Review Section
  
  Medium-sized Section 13:Condensed matter physics and related fields
- Research Institution
  Tohoku University
Verification of universality of magnetic boson peak in spin glass and elucidation of its originPrincipal Investigator
- Principal Investigator
  
  古府麻衣子
- Project Period (FY)
  2021 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 13030:Magnetism, superconductivity and strongly correlated systems-related
- Research Institution
  Japan Atomic Energy Agency
Unraveling the spin state of magnetic ionic liquidsPrincipal Investigator
- Principal Investigator
  
  Kofu Maiko
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Biological physics/Chemical physics/Soft matter physics
- Research Institution
  Japan Atomic Energy Agency
Spin dynamics of lanthanide-based single-molecule magnetsPrincipal Investigator
- Principal Investigator
  
  Kofu Maiko
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Condensed matter physics II
- Research Institution
  Japan Atomic Energy Agency
  The University of Tokyo
Diffusion dynamics of hydrogen molecules in clathrate hydratePrincipal Investigator
- Principal Investigator
  
  KOFU Maiko
- Project Period (FY)
  2012 – 2013
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Condensed matter physics I
- Research Institution
  The University of Tokyo
Formation of Simple Molecular Glasses by Low-temperature Vapor-deposition and Thermodynamic and Structural Studies on them
- Principal Investigator
  
  YAMAMURO Osamu
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Biophysics/Chemical physics
- Research Institution
  The University of Tokyo
A neutron scattering study on dynamical structure in β-pyrochlore oxidePrincipal Investigator
- Principal Investigator
  
  KOFU Maiko
- Project Period (FY)
  2009 – 2010
- Research Category
  
  Grant-in-Aid for Research Activity Start-up
- Research Field
  
  Condensed matter physics I
- Research Institution
  The University of Tokyo

All 2021 2020 2019 2018 2017 2015 2013 2012 2010 2009

All Journal Article Presentation

[Journal Article] Spin glass behavior and magnetic boson peak in a structural glass of a magnetic ionic liquid2021
- Author(s)
  Kofu Maiko、Watanuki Ryuta、Sakakibara Toshiro、Ohira-Kawamura Seiko、Nakajima Kenji、Matsuura Masato、Ueki Takeshi、Akutsu Kazuhiro、Yamamuro Osamu
- Journal Title
  
  Scientific Reports
  
  Volume: 11 Issue: 1 Pages: 12098-12098
- DOI
  10.1038/s41598-021-91619-z
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K03536, KAKENHI-PROJECT-20H02804, KAKENHI-PROJECT-20K21229, KAKENHI-PROJECT-21H04987, KAKENHI-PROJECT-23K20829
[Journal Article] Dimensional reduction by geometrical frustration in a cubic antiferromagnet composed of tetrahedral clusters2021
- Author(s)
  Okuma Ryutaro、Kofu Maiko、Asai Shinichiro、Avdeev Maxim、Koda Akihiro、Okabe Hirotaka、Hiraishi Masatoshi、Takeshita Soshi、Kojima Kenji M.、Kadono Ryosuke、Masuda Takatsugu、Nakajima Kenji、Hiroi Zenji
- Journal Title
  
  Nature Communications
  
  Volume: 12 Issue: 1 Pages: 4382-4382
- DOI
  10.1038/s41467-021-24636-1
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K20829
[Journal Article] Dynamics of Atomic Hydrogen in Palladium Probed by Neutron Spectroscopy2020
- Author(s)
  Kofu Maiko、Yamamuro Osamu
- Journal Title
  
  Journal of the Physical Society of Japan
  
  Volume: 89 Issue: 5 Pages: 051002-051002
- DOI
  10.7566/jpsj.89.051002
- NAID
  210000158066
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K05619
[Journal Article] Neutron scattering studies on short- and long-range layer structures and related dynamics in imidazolium-based ionic liquids2018
- Author(s)
  Nemoto Fumiya、Kofu Maiko、Nagao Michihiro、Ohishi Kazuki、Takata Shin-ichi、Suzuki Jun-ichi、Yamada Takeshi、Shibata Kaoru、Ueki Takeshi、Kitazawa Yuzo、Watanabe Masayoshi、Yamamuro Osamu
- Journal Title
  
  The Journal of Chemical Physics
  
  Volume: 149 Issue: 5 Pages: 054502-054502
- DOI
  10.1063/1.5037217
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05619, KAKENHI-PROJECT-15H05758, KAKENHI-PROJECT-17H02815
[Journal Article] Two inherent crossovers of the diffusion process in glass-forming liquids2018
- Author(s)
  Kofu Maiko、Faraone Antonio、Tyagi Madhusudan、Nagao Michihiro、Yamamuro Osamu
- Journal Title
  
  Physical Review E
  
  Volume: 98 Issue: 4 Pages: 042601-042601
- DOI
  10.1103/physreve.98.042601
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05619
[Journal Article] A novel isomorphic phase transition in β -pyrochlore oxide KOs2O6 : a study using high resolution neutron powder diffraction2010
- Author(s)
  Kenzo Sasai, Maiko Kofu, Richard M Ibberson, Kazuma Hirota, Jun-ichi Yamaura, Zenji Hiroi, Osamu Yamamuro
- Journal Title
  
  J.Phys.:Condens.Matter Vol.22
  
  Pages: 15403-15403
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21840020
[Journal Article] A Novel Isomorphic Phase Transition in β-Pyrochlore Oxide KOs_2O_6 : A Study Using High-resolution Neutron Powder Diffraction2010
- Author(s)
  K.Sasai, M.Kofu, R.M.Ibberson, K.Hirota, J.Yamaura, Z.Hiroi, O.Yamamuro
- Journal Title
  
  Journal of Physics : Condensed matter 22
  
  Pages: 15403-15403
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21840020
[Presentation] 中性子散乱によるスピングラスの局在磁気励起の研究2021
- Author(s)
  古府麻衣子、河村聖子、村井直樹、石井梨恵子、平井大悟郎、有馬寛、舟越賢一
- Organizer
  日本中性子科学会
- Data Source
  KAKENHI-PROJECT-23K20829
[Presentation] スピングラスにおける低エネルギー局所磁気励起2021
- Author(s)
  古府麻衣子
- Organizer
  物性研短期研究会
- Invited
- Data Source
  KAKENHI-PROJECT-23K20829
[Presentation] 中性子散乱によるスピングラスの局在磁気励起の観測2021
- Author(s)
  古府麻衣子、河村聖子、村井直樹、石井梨恵子、平井大悟郎、有馬寛、舟越賢一
- Organizer
  日本物理科学
- Data Source
  KAKENHI-PROJECT-23K20829
[Presentation] Spin glass on a structural glass of a magnetic ionic liquid2019
- Author(s)
  Maiko Kofu, Ryuta Watanuki, Toshiro Sakakibara, Seiko Ohira-Kawamura, Kenji Nakajima, Takeshi Ueki, Kazuhiro Akutsu, Osamu Yamamuro
- Organizer
  The 3rd Asia-Oceania Conference on Neutron Scattering 2019
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05619
[Presentation] Neutron scattering study of a magnetic ionic liquid C4mimFeCl42019
- Author(s)
  M. Kofu, R. Watanuki, T. Sakakibara, S. Ohira-Kawamura, K. Nakajima, T. Ueki, K. Akutsu, O. Yamamuro
- Organizer
  3rd J-PARC Symposium
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05619
[Presentation] Spin glass dynamics in a structural glass of C4mimFeCl42019
- Author(s)
  Maiko Kofu, Ryuta Watanuki, Toshiro Sakakibara, Seiko Ohira-Kawamura, Kenji Nakajima, Takeshi Ueki, Kazuhiro Akutsu, Osamu Yamamuro
- Organizer
  Materials Research Meeting 2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05619
[Presentation] 磁性イオン液体C4mimFeCl4の構造ガラス上で発現するスピングラス状態2019
- Author(s)
  古府麻衣子、綿貫竜太、榊原俊郎、河村聖子、中島健次、上木岳士、阿久津和宏、山室修
- Organizer
  日本物理学会
- Data Source
  KAKENHI-PROJECT-17K05619
[Presentation] Dynamics of atomic hydrogen in bulk and nanocrystalline palladium2018
- Author(s)
  Maiko Kofu, Naoki Hashimoto, Hiroshi Akiba, Hirokazu Kobayashi,Hiroshi Kitagawa, Madhusudan Tyagi, Antonio Faraone, John Copley, Wiebke Lohstroh, Kazuki Iida, Mitsutaka Nakamura, Osamu Yamamuro
- Organizer
  QENS/WINS2018
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05619
[Presentation] 単分子磁石Zn-Ln-Zn三核錯体の中性子散乱研究2018
- Author(s)
  古府麻衣子、梶原孝志、河村聖子、菊地龍弥、中島健次、松浦直人、柴田薫、長尾道弘、山室修
- Organizer
  日本物理学会
- Data Source
  KAKENHI-PROJECT-17K05619
[Presentation] ナノ粒子パラジウム中の水素原子のダイナミクス2018
- Author(s)
  古府麻衣子、橋本直樹、秋葉宙、小林浩和、北川宏、飯田一樹、中村充孝、Madhusudan Tyagi、Antonio Faraone、John Copley、Wiebke Lohstroh、山室修
- Organizer
  日本中性子科学会
- Invited
- Data Source
  KAKENHI-PROJECT-17K05619
[Presentation] 中性子散乱で観るイオン液体と分子液体のダイナミクス2018
- Author(s)
  古府　麻衣子
- Organizer
  日本物理学会領域6シンポジウム
- Invited
- Data Source
  KAKENHI-PROJECT-17K05619
[Presentation] Spatial scale dependence of structural relaxation in glass-forming liquids2017
- Author(s)
  Maiko Kofu, Antonio Faraone, Madhusudan Tyagi, Michihiro Nagao, Osamu Yamamuro
- Organizer
  International Conference on Neutron Scattering
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K05619
[Presentation] Zn-Ln-Zn単分子磁石の中性子非弾性散乱2015
- Author(s)
  古府麻衣子
- Organizer
  物理学会2015年秋季大会
- Place of Presentation
  関西大学千里山キャンパス（大阪府吹田市）
- Year and Date
  2015-09-16
- Data Source
  KAKENHI-PROJECT-26800178
[Presentation] Spin dynamics in rare-earth based single-molecule magnets2015
- Author(s)
  古府麻衣子
- Organizer
  Future and Current Use of Neutron Spin-Echo Spectroscopy in Condensed Matter Research
- Place of Presentation
  オークリッジ国立研究所（米国テネシー州、オークリッジ）
- Year and Date
  2015-05-13
- Data Source
  KAKENHI-PROJECT-26800178
[Presentation] 抱接水和物中の水素の拡散ダイナミクス2013
- Author(s)
  古府麻衣子、奥地拓生、Hannu Mutka、jacques Ollivier、Craig Brown、Madhusudan Tyagi、山室修
- Organizer
  日本中性子科学会第13回年会
- Place of Presentation
  さわやかちば県民プラザ(千葉県)
- Year and Date
  2013-12-13
- Data Source
  KAKENHI-PROJECT-24740198
[Presentation]2013
- Author(s)
  Maiko Kofu, Takuo Okuchi,Hannu Mutka, Jacques Ollivier, Craig Brown, Madhusudan Tyagi, Osamu Yamamuro
- Organizer
  International Conference on Neutron Scattering (ICNS2013)
- Place of Presentation
  Edingburgh (UK)
- Year and Date
  2013-07-10
- Data Source
  KAKENHI-PROJECT-24740198
[Presentation] 中性子散乱で観た抱接水和物中の水素の拡散ダイナミクス2013
- Author(s)
  古府麻衣子、奥地拓生、Hannu Mutka、jacques Ollivier、Craig Brown、Madhusudan Tyagi、山室修
- Organizer
  日本物理学会2013年秋季大会
- Place of Presentation
  徳島大学(徳島県)
- Year and Date
  2013-09-26
- Data Source
  KAKENHI-PROJECT-24740198
[Presentation] 中性子散乱で観た包椄水和物中の水素の拡散ダイナミクス2013
- Author(s)
  古府麻衣子
- Organizer
  物理学会秋季大会
- Place of Presentation
  徳島大学常三島キャンパス(徳島県)
- Data Source
  KAKENHI-PROJECT-24740198
[Presentation] Dynamics of hydrogen molecules in clathrate hydrate2013
- Author(s)
  古府麻衣子
- Organizer
  International Conference on Neutron Scattering
- Place of Presentation
  エディンバラ(UK)
- Data Source
  KAKENHI-PROJECT-24740198
[Presentation] 包接水和物中の水素の拡散ダイナミクス2013
- Author(s)
  古府麻衣子
- Organizer
  日本中性子科学会第１3回年会
- Place of Presentation
  さわやかちば県民プラザ(千葉県)
- Data Source
  KAKENHI-PROJECT-24740198
[Presentation] 中性子散乱で観た水素ハイドレート中の水素の拡散ダイナミクス2012
- Author(s)
  古府麻衣子、山室修、奥地拓生
- Organizer
  第５３回高圧討論会
- Place of Presentation
  大阪大学豊中キャンパス
- Data Source
  KAKENHI-PROJECT-24740198
[Presentation] 中性子散乱で観た水素ハイドレート中の水素の拡散ダイナミクス2012
- Author(s)
  古府麻衣子、山室修、奥地拓生
- Organizer
  第53回高圧討論会
- Place of Presentation
  大阪大学(大阪府)
- Year and Date
  2012-11-07
- Data Source
  KAKENHI-PROJECT-24740198
[Presentation] 高分解能中性子粉末回折で見たβ型パイロクロア酸化物KOs_2O_6の同形転移2009
- Author(s)
  古府麻衣子
- Organizer
  第64回日本物理学会秋季大会
- Place of Presentation
  熊本
- Year and Date
  2009-09-27
- Data Source
  KAKENHI-PROJECT-21840020
[Presentation] β型パイロクロア酸化物KOs_2O_6における新奇な同形転移2009
- Author(s)
  古府麻衣子、佐々井健蔵、山浦淳一、廣井善二、廣田和馬、Richard M.bberson、山室修
- Organizer
  日本中性子科学会第9回年会
- Place of Presentation
  いばらき量子ビーム研究センター
- Year and Date
  2009-12-10
- Data Source
  KAKENHI-PROJECT-21840020
[Presentation] 中性子回折でみたβ型パイロクロア酸化物の新奇相転移2009
- Author(s)
  古府麻衣子、佐々井健蔵、Richard M.Ibberson、廣田和馬、山浦淳一、廣井善二、山室修
- Organizer
  金研中性子散乱研究会シリーズ「中性子を用いた新しいマテリアルサイエンスの検討」
- Place of Presentation
  東北大学
- Year and Date
  2009-11-11
- Data Source
  KAKENHI-PROJECT-21840020
[Presentation] 高分解能中性子粉末回折で見たβ型パイロクロア酸化物KOs_2O_6の同形転移2009
- Author(s)
  古府麻衣子、佐々井健蔵、山室修、廣田和馬、Richard M.Ibberson、山浦淳一、廣井善二
- Organizer
  日本物理学会秋季大会
- Place of Presentation
  熊本大学
- Year and Date
  2009-09-27
- Data Source
  KAKENHI-PROJECT-21840020
[Presentation] 熱容量測定と中性子回折でみたβ型パイロクロア酸化物KOs_2O_6の相転移2009
- Author(s)
  古府麻衣子、佐々井健蔵、山室修、廣田和馬、Richard M.Ibberson、山浦淳一、廣井善二
- Organizer
  第45回熱測定討論会
- Place of Presentation
  首都大学
- Year and Date
  2009-09-30
- Data Source
  KAKENHI-PROJECT-21840020

1. YAMAMURO Osamu (20200777)

# of Collaborated Projects: 1 results

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2. TATSUMI Soichi (50533684)

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3. ODAGAKI Takashi (90214147)

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4. 佐藤卓 (70354214)

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5. 那波和宏 (10723215)

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6. Piyawongwatthana Pharit (10986384)

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7. 金城克樹 (80981696)

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8. WATANUKI Ryuta

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Kofu Maiko 古府 麻衣子

KOFU Maiko 古府 麻衣子

Research Projects

Research Products

Co-Researchers

International collaboration on topological magnetic structures and excitations in quantum magnets using neutron scattering

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Verification of universality of magnetic boson peak in spin glass and elucidation of its originPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Unraveling the spin state of magnetic ionic liquidsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Spin dynamics of lanthanide-based single-molecule magnetsPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Diffusion dynamics of hydrogen molecules in clathrate hydratePrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Formation of Simple Molecular Glasses by Low-temperature Vapor-deposition and Thermodynamic and Structural Studies on them

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

A neutron scattering study on dynamical structure in β-pyrochlore oxidePrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Spin glass behavior and magnetic boson peak in a structural glass of a magnetic ionic liquid2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Dimensional reduction by geometrical frustration in a cubic antiferromagnet composed of tetrahedral clusters2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Dynamics of Atomic Hydrogen in Palladium Probed by Neutron Spectroscopy2020

Author(s)

Journal Title

DOI

NAID

Data Source

[Journal Article] Neutron scattering studies on short- and long-range layer structures and related dynamics in imidazolium-based ionic liquids2018

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Two inherent crossovers of the diffusion process in glass-forming liquids2018

Author(s)

Journal Title

DOI

Data Source

[Journal Article] A novel isomorphic phase transition in β -pyrochlore oxide KOs2O6 : a study using high resolution neutron powder diffraction2010

Author(s)

Journal Title

Data Source

[Journal Article] A Novel Isomorphic Phase Transition in β-Pyrochlore Oxide KOs_2O_6 : A Study Using High-resolution Neutron Powder Diffraction2010

Author(s)

Journal Title

Kofu Maiko 古府麻衣子

KOFU Maiko 古府麻衣子