Crossbreeding between Experiment and Theory on Orthogonal Dimer Spin System

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概要

• 論文の詳細を見る

• We have investigated two-dimensional spin systems SrCu_2(BO_3)_2 and Nd_2BaZnO_5, both of which have a unique topology that is equivalent to the Shastry-Sutherland lattice. The magnetization curve of SrCu_2(BO_3)_2 reveals that, unlike 1/8 and 1/4 plateaux, a 1/3 plateau is very stable, surviving at least up to 69 T. The pressure dependence of susceptibility up to 10 kbar indicates that the pressure causes the system to approach the critical point to some other states. On the other hand, Nd_2BaZnO_5 with rather classical spins exhibits an antiferromagnetic long range ordering at 2.4 K. Finally, other experimental candidates of extended Shastry-Sutherland system will be briefly presented.

• 理論物理学刊行会の論文
• 2002-06-28

著者

• Yasuo Narumi

  Institute For Solid State Physics University Of Tokyo

• Kindo K

  Advanced Science Research Center Japan Atomic Energy Agency

• Kosaka Masashi

  Institute For Materials Research Tohoku University

• Kosaka Masashi

  Department Of Physics Saitama University

• NARUMI Yasuo

  KYOKUGEN, Osaka University

• KINDO Koichi

  Research Center for Materials and Science at Extreme Conditions, Osaka University

• UEDA Yutaka

  Material Design and Characterization Laboratory,Institute for Solid State Physics,The University of

• Narumi Yasuo

  Institute For Solid State Physics University Of Tokyo

• KAGEYAMA Hiroshi

  Material Design and Characterization Laboratory, Institute for Solid StatePhysics, University of Tok

• NARUMI Yasuo

  Research Center for Materials Science at Extreme Conditions, Osaka University

• UWATOKO Yoshiya

  Department of Physics, Saitama University

• Kosaka M

  Saitama Univ. Saitama

• Kindo Koichi

  Research Center For Materials Science Of Extreme Conditions Osaka University

• Ueda Yutaka

  Issp University Of Tokyo

• Kosuge Koji

  Department Of Chemistry Graduate School Of Science Kyoto University

• Kosaka Masashi

  Department Of Physics College Of Humanities And Sciences Nihon University

• Uwatoko Yoshiya

  Department Of Physics Faculty Of General Education Kumamoto University

• UEDA Yutaka

  Material Design and Characterization Laboratory, Institute for Solid StatePhysics, University of Tokyo

• Ueda Yutaka

  Material Design and Characterization Laboratory, Institute for Solid State Physics, University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8581

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