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Dimensionalty control of magnetic structure for the organic-inorganic hybrid system building on oxalate complexes

Research Project

Project/Area Number 19750105
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Functional materials chemistry
Research InstitutionThe University of Tokyo

Principal Investigator

ENOMOTO Masaya  The University of Tokyo, 大学院・総合文化研究科, 助教 (70345065)

Co-Investigator(Renkei-kenkyūsha) KOJIMA Norimichi  東京大学, 大学院総合文化研究科, 教授 (60149656)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,840,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥540,000)
Fiscal Year 2008: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2007: ¥1,500,000 (Direct Cost: ¥1,500,000)
Keywords強磁性 / 分子性固体 / 電荷移動相転移 / 比熱 / 次元性 / 誘電応答 / 有機・無機複合錯体 / 希釈磁性
Research Abstract

電荷移動により磁性を変化させる[Fe^<II>Fe^<III>(dto)_3]系遷移金属錯体の磁気構造解明のため、磁気構造の次元性を制御する目的で磁性サイトの非磁性置換体(n-C_3H_7)_4N[Fe^<II>_<1-x>Zn^<II>_xFe^<III>(dto)_3]をx=0-1の範囲で連続的に合成し、その磁性を調べた。その結果、低濃度置換で電荷移動が抑制され、さらに高濃度置換で磁気相互作用が強磁性的相互作用から反強磁性的相互作用へ変化することが明らかとなった。

Report

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

    (33 results)

All 2009 2008 2007 Other

All Journal Article (12 results) (of which Peer Reviewed: 12 results) Presentation (19 results) Remarks (2 results)

  • [Journal Article] Magnetic Dilution Effect on the Charge Transfer Phase Transition and the Ferromagnetic Transition for an Iron Mixed-Valence Complex, (n-C_3H_7)_4N[Fe^<II>_<1-x>Zn^<II>_xFe^<III> (dto)_3] (dto = C_2O_2S_2)2009

    • Author(s)
      M. Enomoto, N. Kojima
    • Journal Title

      Polyhedron (in press)

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Mossbauer Spectroscopic Study of Photo-Sensitive Organic-Inorganic Hybrid System, (SP)[Fe(II)Fe(III)(dto)_3] (dto = C_2O_2S_2 SP = spiropyran)2009

    • Author(s)
      N. Kida, M. Hikita, I. Kashima, M, Enomoto, M. Itoi, N. Kojima
    • Journal Title

      Polyhedron (in press)

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Study on the valence fluctuation and the magnetism of an iron mixed-valence complex, (n-C_4H_9)_4N [Fe^<II>Fe^<III>(mto)_3] (mto = C_2O_3S)2009

    • Author(s)
      K. Kagesawa, Y. Ono, M. Enomoto, N. Kojima
    • Journal Title

      Polyhedron (in press)

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Control of Charge Transfer Phase Transition and Ferromagnetism by Photoisomerization of Spiropyran for an Organic-Inorganic Hybrid System, (SP)[Fe^<II>Fe^<III>(dto)_3] (SP = spiropyran, dto = C_2O_2S_2)2009

    • Author(s)
      N. Kida, M. Hikita, I. Kashima, M. Okubo, M. Itoi, M. Enomoto, K. Kato, M. Takata, N. Kojima
    • Journal Title

      J. Am. Chem. Soc. 131

      Pages: 212-220

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Magnetic Dilution Effect on the Charge Transfer Phase Transition and the Ferromagnetic Transition for an Iron Mixed-Valence Complex, (n-C_3H_7)_4NiFe^<II>_1-x Zn^<II>_xFe^<III>(dto)_3] (dto = C_2O_2S_2)2009

    • Author(s)
      M. Enomoto and N. Kojima
    • Journal Title

      Polyhedron accepted

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Miissbauer Spectroscopic Study of Photo-Sensitive Organic-Inorganic Hybrid System, (SP)[Fe(II)Fe(III)(dto)_3](dto = C_2O_2S_2 SP = spiropyran)2009

    • Author(s)
      N. Kida, M. Hikita, I. Kashima, M. Enomoto, M. Itoi and N. Kojima
    • Journal Title

      Polyhedron accepted

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Study on the valence fluctuation and the magnetism of an iron-mixed-valence complex, (n-C_4H_9)_4N[Fe^<II>Fe^<III>(mto)_3] (mto = C_2O_2S_2)2009

    • Author(s)
      K. Kagesawa, Y. Ono, M. Enomoto, N. Kojima
    • Journal Title

      Polyhedron accepted

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Control of Charge Transfer Phase Transition and Ferromagnetism by Photoisomerization of Spiropyra for an Organic-Inorganic Hybrid System,(SP)[Fe^<II>Fe^<III>(dto)_3] (SP = spiropyran, dto = C_2O_2S_2)2009

    • Author(s)
      N. Kida, M. Hikita, I. Kashima, M. Okubo, M. Itoi, M. Enomoto, K. Kato, M. Takdta and N. Kojima
    • Journal Title

      J. Am. Chem. Soc 131

      Pages: 212-220

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Spin Dynamics of the Ferromagnetic Transition in Iron Mixed-Valence Complexes, (n-C_nH_<2n+1>)_4N [Fe^<II>Fe^<III>(dto)_3] (dto = C_2O_2S_2, n = 3-5) by μSR2008

    • Author(s)
      M. Enomoto, N. Kida, I. Watanabe, T. Suzuki, N. Kojima
    • Journal Title

      Physica. B. 404

      Pages: 642-644

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Spin dynamics of the charge-transfer phase transition of an iron mixed-valence complex observed using muon spin relaxation spectroscopy2008

    • Author(s)
      N. Kida, M. Enomoto, I. Watanabe, T. Suzuki, N. Kojima
    • Journal Title

      Phys. Rev. B 77

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Spin Dynamics of the Ferromagnetic Transition in Iron Mixed-Valence Complexes, (n-C_nH_2n+1)_4N[Fe^<II>Fe^<III>(dto)_3] (dto = C_2O_2S_2, n = 3-5) by □SR2008

    • Author(s)
      M. Enomoto, N. Kida, I. Watanabe, T. Suzuki, and N. Kojima
    • Journal Title

      Physica. B. 404

      Pages: 642-644

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Spin dynamics of the charge-transfer phase transition of an iron mixed-valence complex observed using muon spin relaxation spectroscopy2008

    • Author(s)
      M. Enomoto, N. Kida, I. Watanabe, T. Suzuki, and N. Kojima
    • Journal Title

      Phys. Rev. B 77

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] Mossbauer Spectroscopic Study of Photo-Sensitive Organic-Inorganic Hybrid System, (SP)[Fe(II)Fe(III)(dto)_3] (dto = C_2O_2S_2 SP = spiropyran)2009

    • Author(s)
      N. Kida, M. Hikita, I. Kashima, M. Enomoto, M. Itoi and N. Kojima
    • Organizer
      International Coference on Molecule-based Magnet 2008
    • Place of Presentation
      Florence (Italy)
    • Year and Date
      2009-09-23
    • Related Report
      2008 Annual Research Report
  • [Presentation] 有機無機複合錯体(SP)[Fe^<II>Fe^<III>(dto)_3](SP=spiropyran, dto = C_2O_2S_2)におけるSPの光異性化による電荷移動相転移と強磁性の制御2009

    • Author(s)
      木田紀行, 榎本真哉, 小島憲道
    • Organizer
      日本化学会年会
    • Place of Presentation
      日本大学(船橋(千葉))
    • Year and Date
      2009-03-28
    • Related Report
      2008 Final Research Report
  • [Presentation] 鉄混合原子価錯体(n-C_nH_<2n+1>)_4N[Fe^<II>Fe^<III>(C_2O_3S)_3]における磁性と電荷遥動に関する研究2009

    • Author(s)
      影澤幸一, 小野祐樹, 榎本真哉, 小島憲道
    • Organizer
      日本化学会年会
    • Place of Presentation
      日本大学(船橋(千葉))
    • Year and Date
      2009-03-28
    • Related Report
      2008 Final Research Report
  • [Presentation] 光応答性配位子を用いた鉄錯体[Fe(SPphen)_3](B(C_6H_5)_4)_2におけるスピン状態の研究2009

    • Author(s)
      菅原哲, 清水秀治, 榎本真哉, 小島憲道
    • Organizer
      日本化学会年会
    • Place of Presentation
      日本大学(船橋(千葉))
    • Year and Date
      2009-03-28
    • Related Report
      2008 Final Research Report
  • [Presentation] 鉄混合原子価錯体[FeII1-xZnIlxFeIII(C2O2S2)3]の磁性と電荷移動に対する非磁性元素希釈効果2009

    • Author(s)
      榎本真哉, 小島憲道
    • Organizer
      日本化学会年会
    • Place of Presentation
      船橋(千葉)
    • Year and Date
      2009-03-28
    • Related Report
      2008 Annual Research Report
  • [Presentation] 鉄混合原子価錯体(n-CnH2n+1)4N[FeIIFeIII(C2O2S2)3](n=3, 4)における磁性と電荷遥動に関する研究2009

    • Author(s)
      影澤幸一, 小野祐樹, 榎本真哉, 小島憲道
    • Organizer
      日本化学会年会
    • Place of Presentation
      船橋(千葉)
    • Year and Date
      2009-03-28
    • Related Report
      2008 Annual Research Report
  • [Presentation] 光応答性配位子を用いた鉄錯体[Fe(SPphen)3](B(C6H5)4)2におけるスピン状態の研究2009

    • Author(s)
      菅原哲, 清水秀治, 榎本真哉, 小島憲道
    • Organizer
      日本化学会年会
    • Place of Presentation
      船橋(千葉)
    • Year and Date
      2009-03-28
    • Related Report
      2008 Annual Research Report
  • [Presentation] 鉄混合原子価錯体[Fe^<II>_<1-x>Zn^<II>_xFe^<III>(dto)_3]の磁性と電荷移動に対する非磁性元素2009

    • Author(s)
      榎本真哉, 小島憲道
    • Organizer
      日本化学会年会
    • Place of Presentation
      日本大学(船橋(千葉))
    • Year and Date
      2009-03-27
    • Related Report
      2008 Final Research Report
  • [Presentation] 有機無機複合錯体(SP)[FeIIFeIII(dto)3](SP=spiropyran, dto=C2O2S2)におけるSPの光異性化による電荷移動相転移と強磁性の制御2009

    • Author(s)
      木田紀行, 榎本真哉, 小島憲道
    • Organizer
      日本化学会年会
    • Place of Presentation
      船橋(千葉)
    • Year and Date
      2009-03-27
    • Related Report
      2008 Annual Research Report
  • [Presentation] Magnetic Dilution Effect on the Charge Transfer Phase Transition and the Ferromagnetic Transition for an Iron Mixed-Valence Complex, (n-C_3H_7)_4N[Fe^<II>_<1-x>Zn^<II>_xFe^<III>(dto)_3] (dto = C_2O_2S_2)2008

    • Author(s)
      M. Enomoto, N. Kojima
    • Organizer
      International Coference on Molecule-based Magnet 2008
    • Place of Presentation
      Convitto della Calza (Florence (Italy))
    • Year and Date
      2008-09-23
    • Related Report
      2008 Final Research Report
  • [Presentation] Mossbauer Spectroscopic Study of Photo-Sensitive Organic-Inorganic Hybrid System, (SP)[Fe(II)Fe(III)(dto)_3] (dto = C_2O_2S_2 SP = spiropyran)2008

    • Author(s)
      N. Kida, M. Hikita, I. Kashima, M, Enomoto, M. Itoi, N. Kojima
    • Organizer
      International Coference on Molecule-based Magnet 2008
    • Place of Presentation
      Convitto della Calza (Florence (Italy))
    • Year and Date
      2008-09-23
    • Related Report
      2008 Final Research Report
  • [Presentation] Study on the valence fluctuation and the magnetism of an iron mixed-valence complex, (n-C_4H_9)_4N [Fe(II)Fe(III)(mto)_3] (mto = C_2O_3S)2008

    • Author(s)
      K. Kagesawa, Y. Ono, M. Enomoto, N. Kojima
    • Organizer
      International Coference on Molecule-based Magnet 2008
    • Place of Presentation
      Convitto della Calza (Florence (Italy))
    • Year and Date
      2008-09-23
    • Related Report
      2008 Final Research Report
  • [Presentation] Magnetic Dilution Effect on the Charge Transfer Phase Transition and the Ferromagnetic Transition for an Iron Mixed-Valence Complex, (n-C_3H_7)_4N[Fe^<II>_1-xZn^<II>_xFe^<III>(dto)_3] (dto = C_2O_2S_2)2008

    • Author(s)
      M. Enomoto and N. Kojima
    • Organizer
      International Coference on Molecule-based Magnet 2008
    • Place of Presentation
      Florence (Italy)
    • Year and Date
      2008-09-23
    • Related Report
      2008 Annual Research Report
  • [Presentation] Study on the valence fluctuation and the magnetism of an iron mixed-valence complex, (n-C_4H_9)_4N[Fe^<II>Fe^<III>(mto)_3] (mto = C_2O_3S)2008

    • Author(s)
      K. Kagesawa, Y. Ono, M. Enomoto, N. Kojima
    • Organizer
      International Coference on Molecule-based Magnet 2008
    • Place of Presentation
      Florence (Italy)
    • Year and Date
      2008-09-23
    • Related Report
      2008 Annual Research Report
  • [Presentation] Spin Dynamics of the Ferromagnetic Transition in Iron Mixed-Valence Complexes, (n-C_nH_<2n+1>)_4N [Fe(II)Fe(III)(dto)_3] (dto = C_2O_2S_2, n = 3-5) by μSR2008

    • Author(s)
      M. Enomoto. N. Kida, I. Watanabe, T. Suzuki, N. Kojima
    • Organizer
      μSR 2008
    • Place of Presentation
      Tsukuba International Congress Center (Tsukuba(Japan))
    • Year and Date
      2008-07-21
    • Related Report
      2008 Final Research Report
  • [Presentation] Spin Dynamics of the Ferromagnetic Transition in Iron Mixed-Valence Complexes, (n-C_nH_2n+1)_4N[Fe^<II>Fe^<III>(dto)_3] (dto = C_2O_2S_2, n = 3-5) by □SR2008

    • Author(s)
      M. Enomoto, N. Kida, I. Watanabe, T. Suzuki, and N. Kojima
    • Organizer
      μSR2008
    • Place of Presentation
      Florence (Italy)
    • Year and Date
      2008-07-21
    • Related Report
      2008 Annual Research Report
  • [Presentation] Dielectric Constant behavior under charge transfer phase transiton in the series of [Fe^<II>Fe^<III>(dto)_3] complexes2008

    • Author(s)
      M. Enomoto
    • Organizer
      7th International Symposium on Crystalline Organic Metals Superconductors and Ferromagnets
    • Place of Presentation
      Peniscola (Spain)
    • Related Report
      2007 Annual Research Report
  • [Presentation] Dynamic Process of Charge Transfer Phase Transition in Iron Mixed Valence Complex, (C_nH_<2n+1>)_4N[Fe(II)Fe(III)(dto)_3] (n = 3-5; dto = C_2O_2S_2)2007

    • Author(s)
      M. Enomoto. N. Kida, I. Watanabe, T. Suzuki, N. Kojima
    • Organizer
      International Symposium on Chemistry of Coordination Space
    • Place of Presentation
      Awaji Yumebutai International Conference Center (Awaji (Japan))
    • Year and Date
      2007-12-10
    • Related Report
      2008 Final Research Report
  • [Presentation] Dielectric Constant behavior under charge transfer phase transition in the series of [Fe^<II>Fe^<III>(dto)_3] complexes2007

    • Author(s)
      M. Enomoto, N. Kojima
    • Organizer
      7th International Symposium on Crystalline Organic Metals Superconductors and Ferromagnets
    • Place of Presentation
      Congress Palace (Peniscola (Spain))
    • Year and Date
      2007-09-25
    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://maidbs.c.u-tokyo.acjp/~kojima/

    • Related Report
      2008 Annual Research Report
  • [Remarks]

    • URL

      http://maildbs.c.u-tokyo.ac.jp/~kojima/

    • Related Report
      2007 Annual Research Report

URL: 

Published: 2007-04-01   Modified: 2016-04-21  

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