Linear Antiferromagnetic Chains in Hexagonal ABCl_3-Type Compounds (A; Cs, or Rb, B; Cu, Ni, Co, or Fe)

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概要

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• Magnetic properties of single crystal of CsCuCl_3, CsNiCl_3, RbNiCl_3, CsCoCl_3, and RbFeCl_3 were investigated by the measurements of magnetic susceptibilities, magnetic torques, ESR absorptions from liquid helium temperature to room temperature. The experimental results were interpreted in terms of linear antiferromagnetic chains, taking into account the effect of crystal field. The anisotropic exchange interaction energies between the neighboring magnetic inos along a chain were estimated to be J_<//>/k=-7.0°K, -11.0°K, -14.1°K, -85°K, and -11.5°K, and J_⊥/k=-6.0°K, -11.0°K, -14.1°K, -17.0°K, and -3.8°K, for CsCuCl_3, CsNiCl_3, RbNiCl_3, CsCoCl_3, and RbFeCl_3, respectively by the comparison with the calculated susceptibilities for linear antiferromagnetic chains with Heisenberg and Ising spins by Bonner, Fisher et al. Properties which appeared in short range magnetic order were studied for two nickelos compounds above T_N, 4.5°K in CsNiCl_3 and 11°K in RbNiCl_3. A qualitative discussion of the exchange interaction in these compounds is given.

• 社団法人日本物理学会の論文
• 1969-09-05

著者

• Achiwa Norio

  Department Of Chemistry Faculty Of Science Kyoto University

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• The Magnetic Structure of Fe_2As
• Linear Antiferromagnetic Chains in Hexagonal ABCl_3-Type Compounds (A; Cs, or Rb, B; Cu, Ni, Co, or Fe)

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