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Real time observation of non-equilibrium spin system by means of time resolved neutron scattering technique

Research Project

Project/Area Number 18540357
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Condensed matter physics II
Research InstitutionTokyo University of Science

Principal Investigator

MOTOYA Kiyoichiro  Tokyo University of Science, 理工学部, 教授 (60114683)

Co-Investigator(Kenkyū-buntansha) MURO Yuji  東京理科大学, 理工学部, 助教 (50385530)
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,970,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥570,000)
Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2007: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2006: ¥1,500,000 (Direct Cost: ¥1,500,000)
Keywordsスピングラス / 中性子散乱 / 時間分割測定 / 非平衡系 / スローダイナミックス / スローダイナミック / 磁気秩序 / 磁性
Research Abstract

「強磁性・反強磁性相関の空間的共存状態とその時間変化」の解明を磁化率・比熱などの巨視的測定と、中性子散乱測定により行なった。Fe65(Ni_(1-x)Mn_x)35 系において強磁性的・反強磁性的磁気クラスターが空間的に分離して存在する事、強磁性的クラスターはその大きさに応じて順次強磁性ネットワークに吸収され消滅する事などが結論された。また、重い電子系物質CeIr3Si2において規則構造をもつ3次元磁性体では極めて異常な長時間磁気構造変化を検出した。この現象の解明を目指す研究は平成21-23 年度基盤研究として採択された

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (24 results)

All 2009 2008 2007 2006 Other

All Journal Article (12 results) (of which Peer Reviewed: 12 results) Presentation (11 results) Remarks (1 results)

  • [Journal Article] Magnetic Field Dependence of Magnetic Clusters in the Random Magnet Fe65(Ni0.78Mn0.22)352009

    • Author(s)
      K. Motoya, Y. Muro and T. Igarashi
    • Journal Title

      J. Phys. Soc. Jpn. 78

    • NAID

      130005437447

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Antiferromagnetism and Crystalline Electric Field Effect of Ce_2Pt_3Si_52008

    • Author(s)
      Y. Muro, M. Nakano and K. Motoya
    • Journal Title

      J. Phys. Soc. Jpn. 77

    • NAID

      110007021682

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Single-crystal study of new compound Ce_2Pt_3Si_52008

    • Author(s)
      Y. Muro, M. Nakano and K. Motoya
    • Journal Title

      Physica B 403

      Pages: 810-811

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Single-crystal study of new compound Ce_2Pt_3Si_52008

    • Author(s)
      Y. Muro, M. Nakano, K. Motoya
    • Journal Title

      Physica B 403

      Pages: 810-811

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Quantum Phase Transition in the Itinerant Antiferromagnet (V_0.9Ti0.1)_2O_32008

    • Author(s)
      H. Kadowaki, et al.
    • Journal Title

      Phys. Rev. Letters 101

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Antiferromagnetism and Crystalline Electric Field Effect of Ce_2Pt_3Si_52008

    • Author(s)
      Y. Muro, M. Nakano, K. Motoya
    • Journal Title

      J. Phys. Soc. Jpn. 77

    • NAID

      110007021682

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Easy-plane magnetocrystalline anisotropy in the multi-step metamagnet CeIr_3Si_22007

    • Author(s)
      K. Shigetoh, A. Ishida, Y. Ayabe, T. Onimaru, K. Umeo, Y. Muro, K. Motoya, M. Sera and T. Takabatake
    • Journal Title

      Phys. Rev. B 76

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Multi-step metamagnetism in CeIr3Si22007

    • Author(s)
      Y. Muro, Y. Ohno, T. Okada and K. Motoya
    • Journal Title

      J. Mag. Mag. Mater 310

      Pages: 389-390

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Heavy-fermion behavior in a new Ce compound CeRh_2Si2007

    • Author(s)
      Y. Muro, S. Takahashi, K. Sunahara, K. Motoya, M. Akatsu and N. Shirakawa
    • Journal Title

      J. Mag. Mag. Mater 310

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Heavy-fermion behavior in CeRh2Si2007

    • Author(s)
      Y. Muro, et. al.
    • Journal Title

      J. Mag. Mag. Mater. 310

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Multi-step metamagnetism in CeIr3Si22007

    • Author(s)
      Y. Muro, et. al.
    • Journal Title

      J. Mag. Mag. Mater. 310

      Pages: 389-390

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Easy-plane magnetocrystalline anisotropy in the multistep metamagnet2007

    • Author(s)
      K. Shigetoh, et. al.
    • Journal Title

      Physical Review B 76

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] Real-Time Observation of Magnetic Structural Change in the Multistep Metamagnet CeIr3Si22009

    • Author(s)
      K.Motoya, Y. Muro and T. Takabatake
    • Organizer
      International Conference on Neutron Scattering 2009
    • Place of Presentation
      Knoxville, U.S.A.
    • Year and Date
      2009-05-04
    • Related Report
      2008 Final Research Report
  • [Presentation] 多段メタ磁性体CeIr3Si2 における磁気構造の長時間変化2009

    • Author(s)
      元屋清一郎、室裕司、高畠敏郎
    • Organizer
      日本物理学会
    • Place of Presentation
      立教大学(東京)
    • Year and Date
      2009-03-28
    • Related Report
      2008 Final Research Report
  • [Presentation] 多段メタ磁性体CeIr3Si2における磁気構造の長時間変化2009

    • Author(s)
      元屋清一郎, 他
    • Organizer
      日本物理学会
    • Place of Presentation
      立教大学(東京)
    • Year and Date
      2009-03-28
    • Related Report
      2008 Annual Research Report
  • [Presentation] パーコレーション濃度領域の (FexZn1-x)F2 における磁気励起2008

    • Author(s)
      元屋清一郎、室裕司、阿曽尚史, D.P.Belanger
    • Organizer
      日本物理学会
    • Place of Presentation
      近畿大学(大阪)
    • Year and Date
      2008-03-23
    • Related Report
      2008 Final Research Report
  • [Presentation] Magnetic Field Dependence of Magnetic Correlations in the Random Magnet2007

    • Author(s)
      K.Motoya, Y. Muro and T.Igarashi
    • Organizer
      Third Seeheim Conference on Magnetism
    • Place of Presentation
      frankfurt, Germany
    • Year and Date
      2007-08-30
    • Related Report
      2008 Final Research Report
  • [Presentation] Magnetic field dependence of magnetic clusters in the random magnet2007

    • Author(s)
      K. Motoya, et. al.
    • Organizer
      Third Seeheim Conference of Magnetism
    • Place of Presentation
      Frankfurt, Germany
    • Year and Date
      2007-08-30
    • Related Report
      2007 Annual Research Report
  • [Presentation] ランダム磁性体における異なる磁気相関の共存とその磁場変化2007

    • Author(s)
      元屋清一郎、室裕司、五十嵐得也
    • Organizer
      日本物理学会
    • Place of Presentation
      鹿児島大学(鹿児島)
    • Year and Date
      2007-03-18
    • Related Report
      2008 Final Research Report
  • [Presentation] Magnetocrystalline anisotropy in the multi-step metamagnet CeIr3Si22007

    • Author(s)
      K.Shigetoh, A. Ishida, Y. Ayabe, T. Onimaru K. Umeo, M. Sera, T. Takabatake, Y. Muro and K. Motoya
    • Organizer
      International Conference of Strongly Correlated Electron Systems
    • Place of Presentation
      Houston, U.S.A.
    • Related Report
      2008 Final Research Report
  • [Presentation] Single-crystal study of new compound Ce2Pt3Si52007

    • Author(s)
      Y. Muro , M. Nakano and K. Motoya
    • Organizer
      International Conference of Strongly Correlated Electron Systems
    • Place of Presentation
      Houston, U.S.A.
    • Related Report
      2008 Final Research Report
  • [Presentation] eIr3Si2 における多段メタ磁性転移2006

    • Author(s)
      室裕司、矢吹俊博、大野泰明、岡田崇、元屋清一郎
    • Organizer
      日本物理学会
    • Place of Presentation
      千葉大学(千葉)
    • Year and Date
      2006-09-23
    • Related Report
      2008 Final Research Report
  • [Presentation] Multi-step metamagnetism in CeIr3Si22006

    • Author(s)
      Y. Muro, Y. Ohno, T. Okada and K. Motoya
    • Organizer
      International Conference on Magnetism
    • Place of Presentation
      Kyoto, Japan
    • Year and Date
      2006-08-21
    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://www.rs.noda.sut.ac.jp/~motoya/index.html

    • Related Report
      2008 Annual Research Report

URL: 

Published: 2006-04-01   Modified: 2020-05-15  

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