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2008 Fiscal Year Final Research Report

Control of spin structure using nano-scale spin cluster in organic radical crystals and resulting novel magnetic properties

Research Project

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Project/Area Number 18350076
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Functional materials chemistry
Research InstitutionOsaka Prefecture University

Principal Investigator

HOSOKOSHI Yuko  Osaka Prefecture University, 理学系研究科, 准教授 (50290903)

Co-Investigator(Renkei-kenkyūsha) NISHIHARA Sadafumi  大阪府立大学, 理学系研究科, 助教 (00405341)
Project Period (FY) 2006 – 2008
Keywords有機ラジカル / ポリラジカル / 量子スピン / 低次元磁性体 / 磁化 / 結晶構造
Research Abstract

様々なスピン数・クラスターサイズを持つナノスケール高スピン分子を合理的に合成し、単結晶を用いた多角的な物性測定から磁気的性質を検討した。スピン密度分布を持つ有機磁性体の磁気相互作用発現機構について、偏極中性子線回折を利用する新しい測定手法を開発し、スピン間相互作用が量子的な扱いで理解されることを示した。また、低温磁場中で量子相転移を観測し、マグノンのボーズ・アインシュタイン凝縮として理解した。

  • Research Products

    (19 results)

All 2009 2008 2007 2006 Other

All Journal Article (9 results) (of which Peer Reviewed: 9 results) Presentation (10 results)

  • [Journal Article] A New Ferrimagnet Based on a Radical- substituted Radical Cation Salt2009

    • Author(s)
      Y. Masuda, M. Kuratsu, S. Suzuki, M. Kozaki, D. Shiomi, K. Sato, T. Takui, Y. Hosokoshi, X. Lan, Y. Miyazaki, A. Inaba, K. Okada
    • Journal Title

      J. Am. Chem. Soc 131

      Pages: 4670-4673

    • Peer Reviewed
  • [Journal Article] Impurity effect of an S=1/2 two leg spin ladder antiferromagnet [Ph(NH3)]([18]crown-6)[Ni(dmit)2] studied by ESR2009

    • Author(s)
      M. Fujisawa, A. Asakura, S. Okubo, H. Ohta, S. Nishihara, T. Akutagawa, T. Nakamura, and Y. Hosokoshi
    • Journal Title

      Journal of Physics(4 pages) 150

      Pages: 042034

    • Peer Reviewed
  • [Journal Article] Synthesis, properties and molecular-orbital calculations of new π-acceptors as ortho-analogues of DCNQI2008

    • Author(s)
      S. Aonuma, E. Fujiwara, T. Kanzawa and Y. Hosokoshi
    • Journal Title

      J. Phys 132

      Pages: 012027(7)

    • Peer Reviewed
  • [Journal Article] Spin-density distribution in the partially magnetized organic quantum magnet F2PNNNO2007

    • Author(s)
      A. Zheludev, V. O. Garlea, S. Nishihara, Y. Hosokoshi, A. Cousson, A. Gukasov,K. Inoue
    • Journal Title

      Phys.Rev. B(4 pages) 75

      Pages: 104427

    • Peer Reviewed
  • [Journal Article] Magnetic Properties of a Spin-1 Ladder under Pressure2007

    • Author(s)
      Y. Hosokoshi, Y. Konishi, S. Nishihara, K. Inoue
    • Journal Title

      J. Mag. Mag. Mater 310

      Pages: e420-e422

    • Peer Reviewed
  • [Journal Article] Magnetic phase diagram of the quasi-two-dimensional S=1 antiferromagnet F2PNNNO2007

    • Author(s)
      H. Tsujii, B. Andraka, Y. Hosokoshi, K. Inoue and Y. Takano
    • Journal Title

      J. Mag. Mag. Mater 310

      Pages: e415-e417

    • Peer Reviewed
  • [Journal Article] EPR Measurements of a Two-dimensional Spin Frustrated System, BIPNNBNO with S=1 and S=1/22006

    • Author(s)
      T. Kanzawa, Y. Hosokoshi, K. Katoh, S. Nishihara, K. Inoue, H. Nojiri
    • Journal Title

      J. Phys 51

      Pages: 91-94

    • Peer Reviewed
  • [Journal Article] Observation of a Lattice Distortion due to Pair Interactions in Bond-Alternating Antiferromagnetic Chains of F5PNN2006

    • Author(s)
      T. Matsushita, Y. Kugimiya, K. Shimizu, N. Wada, Y. Yoshida, T. Kawae, K. Takeda, Y. Hosokoshi, and K. Inoue
    • Journal Title

      Low temperature Physics 850

      Pages: 1029-1030

    • Peer Reviewed
  • [Journal Article] Magnetic field versus temperature phase diagram of the spin-1/2 alternating-bond chain compound F5PNN

    • Author(s)
      Y. Yoshida1, T. Kawae, Y. Hosokoshi, K. Inoue, N. Maeshima, K. Okunishi, K. Okamoto, and T. Sakai
    • Journal Title

      J. Phys. Soc. Jpn (in press)

    • Peer Reviewed
  • [Presentation] 反強磁性三角格子磁性体TNN系有機ラジカルの磁性2009

    • Author(s)
      細越裕子, 中治光晶, 西原禎文, 野尻浩之
    • Organizer
      日本物理学会第64回年次大会
    • Place of Presentation
      立教大学
    • Year and Date
      2009-03-27
  • [Presentation] 磁化率によって観測されたS=1/2ハイゼンベルグ反強磁性交替鎖F5PNNの磁場誘起磁気秩序2009

    • Author(s)
      熊野佑一, 原田太陽, 清水健吾, 松下琢, 和田信雄, 細越裕子
    • Organizer
      日本物理学会第64回年次大会
    • Place of Presentation
      立教大学
    • Year and Date
      2009-03-27
  • [Presentation] Pressure effects and impurity effects on magnetic properties of a spin-1 ladder, BIP-TENO2008

    • Author(s)
      Yuko Hosokoshi, Mitsuaki Nakaji, Sadafumi Nishihara
    • Organizer
      11th International Congress on Molecule-based Magnets
    • Place of Presentation
      Florence, Italy
    • Year and Date
      2008-09-21
  • [Presentation] Magnetic Properties of Mixed Spin systems, BIPNNBNO2008

    • Author(s)
      Tsuneki Kanzawa, Sadafumi Nishihara, Hiroyuki Nojiri, Yuko Hosokoshi
    • Organizer
      The 21st IUCr Satellite Meeting "Molecular Crystals Exhibiting Exotic Functions"
    • Place of Presentation
      Osaka, Japan
    • Year and Date
      2008-08-21
  • [Presentation] Flustrated Triangular Spin Systems of Organic Radicals2008

    • Author(s)
      Mitsuaki Nakaji, Sadafumi Nishihara, Yuko Hosokoshi
    • Organizer
      The 21st IUCr Satellite Meeting "Molecular Crystals Exhibiting Exotic Functions"
    • Place of Presentation
      Osaka, Japan
    • Year and Date
      2008-08-21
  • [Presentation] Approach to Quantum Spin Magnetism by Organic Radicals2008

    • Author(s)
      Yuko Hosokoshi
    • Organizer
      International Conference on New Prospect on Molecular Magnetism
    • Place of Presentation
      Hokkaido
    • Year and Date
      2008-07-29
  • [Presentation] 有機スピンラダーBIP-TENOにおける圧力効果と不純物効果2008

    • Author(s)
      小西悠作, 西原禎文, 細越裕子
    • Organizer
      日本物理学会大63回年次大会
    • Place of Presentation
      近畿大学
    • Year and Date
      2008-03-23
  • [Presentation] Syntheses and Magnetic Properties of Novel Organic Triradicals Forming Antiferromagnetic Triangular Spin Systems2007

    • Author(s)
      Sadafumi Nishihara, Mitsuaki Nakaji, Yuko Hosokoshi
    • Organizer
      7th International Symposyum on Crystalline Organic Metals, Superconductors and Ferromagnets
    • Place of Presentation
      Peniscola, Spain
    • Year and Date
      2007-09-24
  • [Presentation] フッ素置換フェニルニトロニルニトロキシドの構造と磁性2007

    • Author(s)
      神澤恒毅, 西原禎文, 細越裕子
    • Organizer
      日本化学会第87春季年会
    • Place of Presentation
      関西大学
    • Year and Date
      2007-03-27
  • [Presentation] 有機磁性体F2PNNNOの量子臨界ダイナミクス2007

    • Author(s)
      松原信一, 吉田誠, 瀧川仁, 細越裕子
    • Organizer
      日本物理学会2007年春季大会
    • Place of Presentation
      鹿児島大学
    • Year and Date
      2007-03-19

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Published: 2010-06-10   Modified: 2016-04-21  

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