High-Field Magnetization of One-Dimensional S=1/2 Trimer System 3CuCl_2・2dioxane

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概要

• 論文の詳細を見る

• The high-field magnetization process of a one-dimensional S=1/2 trimer system, 3CuCl_2・2dioxane, is studied on powder samples using a pulse magnet up to 30 T between 1.5 K and 9 K. The magnetization increases nonlinearly and saturates around 15 T, characteristic of low-dimensional Heisenberg antiferromagnets. The magnetization data are consistent with a previously proposed model in which ferromagnetic trimers composed of three S=1/2 spins are weakly coupled antiferromagnetically to form a S=3/2 antiferromagnetic chain. Based on this model, the antiferromagnetic intertrimer interaction is directly derived as J_<AF>=-16.2 K. However, the observed magnetization curve suggests that a composite spin system consisting of three S=1/2 spins has more of a quantum nature than does a genuine S=3/2 system, because the ferromagnetic intratrimer interaction is not sufficiently strong.

• 社団法人日本物理学会の論文
• 1994-03-15

著者

• AJIRO Yoshitami

  Department of Chemistry, Graduate School of Science, Kyoto University

• 網代 芳民

  Department Of Chemistry Kyoto University:crest Japan Science And Technology Corporation (jst)

• Inami Toshiya

  Institute For Solid State Physics University Of Tokyo:advanced Science Research Center Japan Atomic

• Inami Toshiya

  Department Of Chemistry Faculty Of Science Kyoto University

• ASANO Takayuki

  Department of Physics, Kyushu University

• GOTO Tsuneaki

  Institute for Solid State Physics,University of Tokyo

• Aruga-Katori Hiroko

  Institute for Solid State Physics, University of Tokyo

• Inami T

  Department Of Physics Chuo University

• Inami Toshiya

  Institute For Solid State Physics University Of Tokyo

• Asano T

  Department Of Mechanical Engineering Faculty Of Engineering And Resource Science Akita University

• Goto T

  Institute For Solid State Physics University Of Tokyo

• Goto Tsuneaki

  Institute For Solid State Physics The University Of Tokyo

• Asano Takayuki

  Depatment Of Applied Physics Fukui University

• Asano Takayuki

  Department Of Physics Faculty Of Science Kyushu University:crest Japan Science And Technology Agency

• ARUGA Hiroko

  The Doctral Research Course in Human Culture,Ochanomizu University

• Ajiro Yoshitami

  Department Of Applied Physics Faculty Of Engineering Fukui University

• Goto Tsuneaki

  The Institute Of Solid State Physics Tokyo University

• Asano Takayuki

  Department Of Mechanical Engineering Faculty Of Engineering And Resource Science Akita University

• Asano Takayuki

  Department Of Agricultural And Environmental Biology Graduate School Of Agricultural And Life Scienc

• Taketani Akio

  The Graduate School Of Science And Technology Kobe University

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