Magnetization Process in GdB_4(Condensed matter: electronic structure and electrical, magnetic, and optical properties)

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概要

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• Magnetization measurements are made on single crystal samples of GdB_4 under static fields up to 14T and pulsed fields up to 〜60T. When the external magnetic field, H, is applied along the [110] spin easy axis, the magnetization increases non-linearly at around 12T, indicating a spin reorientation from the easy axis to the direction perpendicular to H. The values of saturation field, H_s, are, H_s^<[110]>&isme;52T, H_s^<[100]>&isme;52T and H_s^<[001]>54T. We analyze the results based on the two-dimensional model proposed by Shastry and Sutherland [B. S. Shastry and B. Sutherland: Physica B 108 (1981) 1069]. We obtain J_1/k_B=-8.9K and J_2/k_B=-0.68K, where, J_1 and J_2 are the diagonal exchange interaction and the exchange interaction along the edges of a square, respectively.

• 社団法人日本物理学会の論文
• 2007-02-15

著者

• Yasuo Narumi

  Institute For Solid State Physics University Of Tokyo

• Narumi Yasuo

  The Institute For Solid State Physics The University Of Tokyo

• Kindo K

  Advanced Science Research Center Japan Atomic Energy Agency

• Kindo K

  Institute For Solid State Physics The University Of Tokyo

• Kindo Koichi

  Institute For Solid State Physics University Of Tokyo

• Kindo K.

  Research Center For Materials Science At Extreme Conditions Osaka University

• 勝又 紘一

  理研播磨研

• 勝又 紘一

  Riken Spring-8 Center Harima Institute

• NARUMI Yasuo

  KYOKUGEN, Osaka University

• NARUMI Yasuo

  ISSP, University of Tokyo

• KATSUMATA Koichi

  RIKEN SPring-8 Center, Harima Institute

• KINDO Koichi

  ISSP, University of Tokyo

• KIKKAWA Akiko

  RIKEN SPring-8 Center

• FUKUI Tomoya

  ISSP, University of Tokyo

• SUGA Ken-ichi

  ISSP, University of Tokyo

• SUGAYA Takashi

  ISSP, University of Tokyo

• IGA Fumitoshi

  Department of Quantum Matter, ADSM, Hiroshima University

• MICHIMURA Shinji

  Department of Quantum Matter, ADSM, Hiroshima University

• Kindo Koichi

  Research Center For Materials Science At Extreme Conditions Osaka University

• Kindo K

  Kyokugen Osaka University

• Kindo Koichi

  Japan Atomic Energy Agency

• Kishio K

  Inst. For Solid State Physics The Univ. Of Tokyo

• Narumi Yasuo

  Institute For Solid State Physics University Of Tokyo

• Kindo Koichi

  The Institute For Solid State Physics The University Of Tokyo

• Iga Fumitoshi

  Department Of Quantum Matter Adsm Hiroshima University

• Iga Fumitoshi

  Graduate School Of Science And Technology Niigata University

• Iga Fumitoshi

  Adsm Hiroshima University

• NARUMI Yasuo

  Research Center for Materials Science at Extreme Conditions, Osaka University

• KOBAYASHI Keisuke

  Japan Synchrotron Radiation Research Institute/SPring-8

• Koyama K

  Institute For Solid State Physics University Of Tokyo

• Kinoshita K

  Ntt Basic Research Laboratory

• Kosuge Koji

  Department Of Chemistry Kyoto University

• Kosuge Koji

  Department Of Chemistry Graduate School Of Science Kyoto University

• Fukui Tomoya

  Issp University Of Tokyo

• Kato K

  Japan Synchrotron Radiation Research Institute/spring-8

• Kitazawa K

  Department Of Superconductivity University Of Tokyo

• Iga Fumitoshi

  Department Of Quantum Matters Adsm Hiroshima University

• Iga Fumitoshi

  Department Of Physics Tohoku University

• Kikkawa Akiko

  Riken Spring-8 Center Harima Institute

• Sugaya Takashi

  Issp University Of Tokyo

• Katsumata Koichi

  Riken Spring-8 Center Harima Institute

• Michimura Shinji

  Department Of Quantum Matter Adsm Hiroshima University

• Kakizaki Akito

  Department Of Physical Sciences Hiroshima University

• Kindo Koichi

  Faculty Of Science Osaka University

• Koga K

  Department Of Superconductivity University Of Tokyo

• Suga Ken-ichi

  The Institute For Solid State Physics The University Of Tokyo

• Kitazawa K

  Univ. Tokyo Tokyo Jpn

• Kato K

  Riken:spring-8

• Kikkawa Akiko

  Riken Harima Institute

• Iga F

  Graduate School Of Science And Technology Niigata University

• Iga Fumitoshi

  Dpartmeot Of Quantum Matter Adsm Hiroshima University

• Koyama Keiichi

  Institute For Solid State Physics University Of Tokyo

• Saito Takashi

  Institute For Chemical Research Kyoto University

• Narumi Yasuo

  Tohoku Univ. Sendai Jpn

• Suga Ken‐ichi

  Univ. Tokyo Chiba

• Michimura Shinji

  Hiroshima Univ. Higashihiroshima

• KATSUMATA Koichi

  RIKEN

• Kindo Koichi

  ISSP, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8581

• KIKKAWA Akiko

  RIKEN

• Michimura Shinji

  Department of Physics, Saitama University, Saitama 338-8570, Japan

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