Murai Naoki 村井直樹

Researcher Number	90784223
Other IDs
Affiliation (Current)	2025: 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, 研究員
Affiliation (based on the past Project Information) *help	2025: 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, 研究員 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, 研究員 2020: 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, 博士研究員 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, 研究員
Review Section/Research Field	Principal Investigator Basic Section 13030:Magnetism, superconductivity and strongly correlated systems-related
Keywords	Principal Investigator 超伝導 / 非弾性中性子散乱 / 非弾性X線散乱 / 電子格子相互作用 / 電荷密度波 / Kohn異常 / 中性子散乱 / 超伝導ギャップ構造 / 電子相関 / 非従来型超伝導体 … More / 磁性 / スピン揺らぎ / フォノン / 非従来型超伝導 Less

Research Projects
(3 results)
Research Products
(21 results)

先進的フォノン計測・計算手法を用いた有限温度における電荷秩序相の安定性の研究Principal Investigator
- Principal Investigator
  
  村井直樹
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 13030:Magnetism, superconductivity and strongly correlated systems-related
- Research Institution
  Japan Atomic Energy Agency
Elucidating the mechanism of charge density wave formation using phonon spectroscopy techniquesPrincipal Investigator
- Principal Investigator
  
  村井直樹
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 13030:Magnetism, superconductivity and strongly correlated systems-related
- Research Institution
  Japan Atomic Energy Agency
Elucidating novel physical properties in the coexisting phase of magnetic order and superconductivityPrincipal Investigator
- Principal Investigator
  
  Murai Naoki
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 13030:Magnetism, superconductivity and strongly correlated systems-related
- Research Institution
  Japan Atomic Energy Agency

All 2024 2023 2022 2021 2020 2019

All Journal Article Presentation

[Journal Article] Antiferromagnetic ordering and chiral crystal structure transformation in Nd3Rh4Sn132024
- Author(s)
  Shimoda Ami、Iwasa Kazuaki、Kuwahara Keitaro、Sagayama Hajime、Nakao Hironori、Ishikado Motoyuki、Nakao Akiko、Ohira-Kawamura Seiko、Murai Naoki、Ohhara Takashi、Nambu Yusuke
- Journal Title
  
  Physical Review B
  
  Volume: 109 Issue: 13 Pages: 134425-134425
- DOI
  10.1103/physrevb.109.134425
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K14009, KAKENHI-PROJECT-21H03732
[Journal Article] Interplay between crystal field and magnetic anisotropy in the triangular-lattice antiferromagnet NaTmTe22024
- Author(s)
  Zheng Shiyi、Gu Yiqing、Gu Yimeng、Kao Zeyu、Wang Qisi、Wo Hongliang、Zhu Yinghao、Liu Feiyang、Wu Liusuo、Sheng Jieming、Chang Johan、Ohira-Kawamura Seiko、Murai Naoki、Niedermayer Christof、Mazzone Daniel Gabriel、Chen Gang、Zhao Jun
- Journal Title
  
  Physical Review B
  
  Volume: 109 Issue: 7 Pages: 075159-075159
- DOI
  10.1103/physrevb.109.075159
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K14009
[Journal Article] Bond-dependent anisotropy and magnon decay in cobalt-based Kitaev triangular antiferromagnet2023
- Author(s)
  Kim Chaebin、Kim Sujin、Park Pyeongjae、Kim Taehun、Jeong Jaehong、Ohira-Kawamura Seiko、Murai Naoki、Nakajima Kenji、Chernyshev A. L.、Mourigal Martin、Kim Sung-Jin、Park Je-Geun
- Journal Title
  
  Nature Physics
  
  Volume: 19 Issue: 11 Pages: 1624-1629
- DOI
  10.1038/s41567-023-02180-7
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K14009
[Journal Article] A one-third magnetization plateau phase as evidence for the Kitaev interaction in a honeycomb-lattice antiferromagnet2023
- Author(s)
  Y. Shangguan, S. Bao, Z-Y. Dong, N. Xi, Y-P.Gao, Z. Ma, W. Wang, Z. Qi, S. Zhang, Z. Huang, J. Liao, X. Zhao, B. Zhang, S. Cheng, H Xu, D. Yu, R. A. Mole, N. Murai, S. Ohira-Kawamura, L. He, J. Hao, Q-B. Yan, F. Song, W. Li, S-L.Yu, J-X. Li and J. Wen
- Journal Title
  
  Nature Physics
  
  Volume: 19 Issue: 12 Pages: 1883-1889
- DOI
  10.1038/s41567-023-02212-2
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K14009
[Journal Article] Experimental evidence for the significance of optical phonons in thermal transport of tin monosulfide2023
- Author(s)
  Wu Peng、Murai Naoki、Li Tongrui、Kajimoto Ryoichi、Nakamura Mitsutaka、Kofu Maiko、Nakajima Kenji、Xia Kang、Peng Kunling、Zhang Yue、Zhao Weisheng
- Journal Title
  
  New Journal of Physics
  
  Volume: 25 Issue: 1 Pages: 013032-013032
- DOI
  10.1088/1367-2630/acb3ed
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K14009
[Journal Article] Spin gap in the weakly interacting quantum spin chain antiferromagnet KCuPO4・H2O2023
- Author(s)
  Fujihala M.、Hagihala M.、Morita K.、Murai N.、Koda A.、Okabe H.、Mitsuda S.
- Journal Title
  
  Physical Review B
  
  Volume: 107 Issue: 5 Pages: 054435-054435
- DOI
  10.1103/physrevb.107.054435
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K03453, KAKENHI-PROJECT-22K14009
[Journal Article] Anisotropic magnon damping by zero-temperature quantum fluctuations in ferromagnetic CrGeTe32022
- Author(s)
  Chen Lebing、Mao Chengjie、Chung Jae-Ho、Stone Matthew B.、Kolesnikov Alexander I.、Wang Xiaoping、Murai Naoki、Gao Bin、Delaire Olivier、Dai Pengcheng
- Journal Title
  
  Nature Communications
  
  Volume: 13 Issue: 1 Pages: 1-7
- DOI
  10.1038/s41467-022-31612-w
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K14009
[Journal Article] Field-tuned quantum effects in a triangular-lattice Ising magnet2022
- Author(s)
  Y. Qin, Y. Shen, C. Liu, H. Wo, Y. Gao, Y. Feng, X. Zhang, G. Ding, Y. Gu, Q. Wang, S. Shen, R. Bewley, J. Xu, M. Boehm, P. Steffens, S. Ohira-Kawamura, N. Murai, A. Schneidewind, X. Tong, G. Chen and J. Zhao
- Journal Title
  
  Science Bulletin
  
  Volume: 67 Issue: 1 Pages: 38-44
- DOI
  10.1016/j.scib.2021.08.012
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14666, KAKENHI-PROJECT-21H04987
[Journal Article] Magnetic excitations in chiral-structure phase of Ce3Ir4Sn132021
- Author(s)
  Kazuaki Iwasa, Seiya Nakazato, Daisuke Hashimoto, Mami Shiozawa, Keitaro Kuwahara, Hajime Sagayama, Seiko Ohira-Kawamura, Naoki Murai, Devashibhai T. Adroja and Andre' M. Strydom
- Journal Title
  
  Journal of the Physical Society of Japan
  
  Volume: 90 Issue: 12 Pages: 124701-124701
- DOI
  10.7566/jpsj.90.124701
- NAID
  210000159437
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14666, KAKENHI-PROJECT-18H01182, KAKENHI-PROJECT-20H01848, KAKENHI-PROJECT-21H04987
[Journal Article] Field-tuned magnetic structure and phase diagram of the honeycomb magnet YbCl32020
- Author(s)
  Hao YiQing、Wo HongLiang、Gu YiMeng、Zhang XiaoWen、Gu YiQing、Zheng ShiYi、Zhao Yang、Xu GuangYong、Lynn Jeffrey W.、Nakajima Kenji、Murai Naoki、Wang WenBin、Zhao Jun
- Journal Title
  
  Science China Physics, Mechanics & Astronomy
  
  Volume: 64 Issue: 3 Pages: 1-6
- DOI
  10.1007/s11433-020-1626-3
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K14666
[Journal Article] Lattice dynamics in FeSe via inelastic x-ray scattering and first-principles calculations2020
- Author(s)
  Naoki Murai, Tatsuo Fukuda, Masamichi Nakajima, Mitsuaki Kawamura, Daisuke Ishikawa, Setsuko Tajima, and Alfred Q. R. Baron
- Journal Title
  
  Physical. Review. B
  
  Volume: 101 Issue: 3 Pages: 035126-035126
- DOI
  10.1103/physrevb.101.035126
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K14666, KAKENHI-PROJECT-16H06285, KAKENHI-PROJECT-18K13500
[Journal Article] 非弾性X線散乱で見る鉄系超伝導体の格子ダイナミクスと磁性の関係2019
- Author(s)
  村井直樹, 福田竜生, 田島節子, Alfred Q. R. Baron
- Journal Title
  
  日本放射光学会誌　放射光
  
  Volume: 32 Pages: 199-208
- NAID
  40021992102
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K14666
[Presentation] 非弾性中性子分光を用いたBa0.75K0.25Fe2As2のスピン感受率の3次元構造の観測2023
- Author(s)
  村井直樹, 鈴木雄大, 中島正道, 古府麻衣子, 河村聖子, 稲村泰弘, 梶本亮一
- Organizer
  日本物理学会第78回年次大会（2023年）
- Data Source
  KAKENHI-PROJECT-22K14009
[Presentation] 非弾性中性子散乱で観測する鉄系超伝導体の3次元電子構造とマルチギャップ構造2022
- Author(s)
  村井直樹, 鈴木雄大, 中島正道, 古府麻衣子, 河村聖子, 梶本亮一
- Organizer
  10/26
- Data Source
  KAKENHI-PROJECT-22K14009
[Presentation] スピン1/2 三角格子反強磁性体Ba3CoSb2O9の構造的な連続励起と短距離相関2022
- Author(s)
  児島佑樹, 中島健次, 栗田伸之, 田中秀数, 河村聖子, 村井直樹
- Organizer
  日本物理学会 2022年秋季大会
- Data Source
  KAKENHI-PROJECT-22K14009
[Presentation] チェッカーボード格子反強磁性体KCuPO4H2Oの磁性2022
- Author(s)
  藤原理賀, 森田克洋, 満田節生, 岡部博孝, 幸田章宏, 村井直樹, 萩原雅人
- Organizer
  日本物理学会 2022年秋季大会
- Data Source
  KAKENHI-PROJECT-22K14009
[Presentation] 高分解能非弾性X線分光による鉄系超伝導体FeSeのフォノン分散の研究2021
- Author(s)
  村井直樹, 福田竜生, 中島正道, 河村光晶, 石川大介, 田島節子, Alfred Q. R. Baron
- Organizer
  第３４回日本放射光学会年会・放射光科学合同シンポジウム
- Data Source
  KAKENHI-PROJECT-19K14666
[Presentation] フォノン散乱断面積の第一原理的評価とそのベンチマーク2021
- Author(s)
  村井直樹, Peng Wu, 古府麻衣子, 中島健次，中村充孝，梶本亮一
- Organizer
  第21回日本中性子科学会年会
- Data Source
  KAKENHI-PROJECT-19K14666
[Presentation] Phonon spectroscopy in FeSe using high-resolution inelastic x-ray scattering2020
- Author(s)
  Naoki Murai, Tatsuo Fukuda, Masamichi Nakajima, Mitsuaki Kawamura, Daisuke Ishikawa, Setsuko Tajima, and Alfred Q. R. Baron
- Organizer
  APS March Meeting 2020
- Data Source
  KAKENHI-PROJECT-19K14666
[Presentation] 角度分解光電子分光による一軸圧印加されたBa0.75K0.25Fe2As2の電子構造の温度変化2019
- Author(s)
  出田真一郎, 中島正道, 村井直樹, 梶本亮一, 田中清尚
- Organizer
  日本物理学会2019年秋季大会
- Data Source
  KAKENHI-PROJECT-19K14666
[Presentation] 高分解能非弾性X線散乱を用いたFeSeの格子ダイナミクスの研究2019
- Author(s)
  村井直樹, 福田竜生, 中島正道, 河村光晶, 石川大介, 田島節子, Alfred Q. R. Baron
- Organizer
  日本物理学会2019年秋季大会
- Data Source
  KAKENHI-PROJECT-19K14666

Murai Naoki 村井 直樹

Research Projects

Research Products

先進的フォノン計測・計算手法を用いた有限温度における電荷秩序相の安定性の研究Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Elucidating the mechanism of charge density wave formation using phonon spectroscopy techniquesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Elucidating novel physical properties in the coexisting phase of magnetic order and superconductivityPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Antiferromagnetic ordering and chiral crystal structure transformation in Nd3Rh4Sn132024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Interplay between crystal field and magnetic anisotropy in the triangular-lattice antiferromagnet NaTmTe22024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Bond-dependent anisotropy and magnon decay in cobalt-based Kitaev triangular antiferromagnet2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] A one-third magnetization plateau phase as evidence for the Kitaev interaction in a honeycomb-lattice antiferromagnet2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Experimental evidence for the significance of optical phonons in thermal transport of tin monosulfide2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Spin gap in the weakly interacting quantum spin chain antiferromagnet KCuPO4・H2O2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Anisotropic magnon damping by zero-temperature quantum fluctuations in ferromagnetic CrGeTe32022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Field-tuned quantum effects in a triangular-lattice Ising magnet2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Magnetic excitations in chiral-structure phase of Ce3Ir4Sn132021

Author(s)

Journal Title

DOI

NAID

Data Source

[Journal Article] Field-tuned magnetic structure and phase diagram of the honeycomb magnet YbCl32020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Lattice dynamics in FeSe via inelastic x-ray scattering and first-principles calculations2020

Author(s)

Journal Title

DOI

Data Source

[Journal Article] 非弾性X線散乱で見る鉄系超伝導体の格子ダイナミクスと磁性の関係2019

Author(s)

Journal Title

Murai Naoki 村井直樹