Synthesis and magnetic study on new quantum spin magnets with magnetic plateau

2008 Fiscal Year Final Research Report

• Project/Area Number: 18540343
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Condensed matter physics II
• Research Institution: University of Fukui
• Principal Investigator: KIKUTI Hikomitu University of Fukui, 工学研究科, 教授 (50234191)
• Co-Investigator(Renkei-kenkyūsha): FUJII Yutaka 福井大学, 遠赤外領域開発研究センター, 准教授 (40334809) ; MITSUDO Seitaro 福井大学, 遠赤外領域開発研究センター, 教授 (60261517) ; CHIBA Meiro , 工学研究科, 教授 (90027144)
• Project Period (FY): 2006 – 2008
• Keywords: 磁化プラトー / 量子スピン系 / スピンフラストレーション / 強磁場 / 反強磁性体 / 一次元磁性体 / 磁気共鳴

Research Abstract

磁化プラトー現象を示す事が期待される新しい量子スピン系物質を合成し、その磁気的性質を研究した。新規なダイヤモンド鎖磁性体Cu3(MoO4)2(OH)2及びCu3(MoO4)2(OH)2(4,4'-bipyridine)を合成し、磁化、強磁場磁化を測定して、後者の化合物がダイヤモンド鎖モデルのフェリ相に対応することを示した。上記化合物以外にもいくつかの量子スピン磁性体を合成して磁性を研究した。

Research Products

• [Journal Article] Spin Configuration in the 1/3 Magnetization Plateau of Azurite Determined by NMR, Phys (2009)
  • Author(s): F. Aimo, S. Kramer, M. Klanjsek, M. Horvatic, C. Berthier, H. Kikuchi
  • Journal Title: Rev.Lett 102 Pages: 4
  • Peer Reviewed
• [Journal Article] 1H-NMR study of S=1/2 frustrated antiferromagnet Zn_xCu_<4-x>(OH)_6Cl_2 varying from kagome(x=1) to pyrochlore(x=0), J.Phys (2009)
  • Author(s): H. Kikuchi, Y. Kubo, Y. Fujii
  • Journal Title: Conf. Series 145 Pages: 012009
  • Peer Reviewed
• [Journal Article] 1H-NMR study of the idle-spin magnet Cu3(OH)4SO4, J. Phys (2009)
  • Author(s): Y. Fujii, Y. Azuma, H.Kikuch, Y.Yamamoto
  • Journal Title: Conf. Series 145 Pages: 012061
  • Peer Reviewed
• [Journal Article] External Magnetic Field Effects on a Distorted Kagome Antiferromagnet, Phys (2008)
  • Author(s): J.-H. Kim, S. Ji, S.-H. Lee, B. Lake, T. Yildirim, H. Nojiri, H. Kikuchi, K. Habicht, Y. Qiu, K. Kiefer
  • Journal Title: Rev.Let 101 Pages: 107201
  • Peer Reviewed
• [Journal Article] Quantum-spin-liquid states in the two-dimensional kagome antiferromagnets Zn_xCu_<4-x>(OD)6Cl2 (2007)
  • Author(s): S.-H. Lee, H. Kikuchi, Y. Qiu, B. Lake, Q. Huang, K. Habicht, K. Kiefer
  • Journal Title: Nature Materials 6 Pages: 853-857
  • Peer Reviewed
• [Journal Article] Commensurate and incommensurate phases of the distorted triangular antiferromagnet Cs_2CuBr_4 studied using 133Cs NMR (2007)
  • Author(s): Y. Fujii, H. Hashimoto, Y. Yasuda, H.Kikuchi, M. Chiba, S. Matsubara M.Takigawa
  • Journal Title: J.Phys. : Condens. Matter 19 Pages: 145237
  • Peer Reviewed
• [Journal Article] Journal of Magnetism and Magnetic Materials (2007)
  • Author(s): T. Sasaki, Y.Fujii, H.Kikuchi, M.Chiba, Y. Yamamoto, H. Hori
  • Journal Title: 310 Pages: 1260-1262
  • Peer Reviewed
• [Journal Article] Nuclear magnetic relaxation of 133Cs of distorted triangular antiferromagnet Cs_2CuBr_4 (2007)
  • Author(s): Y. Fujii, H. Hashimoto, Y. Yasuda, H. Kikuchi, M. ChibaS. Matsubara, M.Takigawa
  • Journal Title: Journal of Magnetism and Magnetic Materials 310 Pages: e409-e411
  • Peer Reviewed
• [Journal Article] High Field ESR Study of Three Dimensional Spin Frustrated System MgCr_2O_4 (2006)
  • Author(s): M. Yoshida, T. Hirano, Y. Inagaki, SOkubo, H.Ohta, H.Kikuchi. I. Kagomiya, M. Toki, K. Kohn
  • Journal Title: J.Phys. Soc. Jpn 75 Pages: 044709
  • Peer Reviewed
• [Journal Article] Reply to the Comment on "Experimental Observation of the 1/3 Magnetization Plateau in the Diamond-Chain Compound Cu_3(CO_3)_2(OH)_2" (2006)
  • Author(s): H.Kikuchi, Y.Fujii, M.Chiba, S.Mitsudo, T.Idehara, T.Tonegawa, K.Okamoto, T.Sakai, T.Kuwai, H.Ohta
  • Journal Title: Phys.Rev.Lett 97 Pages: 089702
  • Peer Reviewed
• [Book] 金属錯体の現代物性化学 (2008)
  • Author(s): 山下正廣(編著)、小島憲道(編著)、芥川智行、網代芳民、有馬孝尚・井上克也、大越慎一、大塩寛紀、大場正昭、岡本博、加藤礼三、菊池彦光、北川宏、小林昭子、小林厚志、小林速男、志賀拓也、高石慎也、竹谷純一、坪山明、中村貴義、長谷川美貴、速水真也、宮坂等、守友浩、山田鉄平
  • Total Pages: 420
  • Publisher: 三共出版