A Short Range Order Effect in Antiferromagnetics

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概要

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• A statistical theory of antiferromagnetism, which is an extension of Nakamura's and Kasteleijn and Kranendonk's theory, is developed. Our theory reasonably well explains the unusual behaviors of paramagnetic susceptibilities of CuF_2・2H_2O and CuCl_2・2H_2O. The theory is compared with experiments, and the following information is obtained. In the case of CuF_2・2H_2O, the ferromagnetic exchange coupling constant is smaller than about 1/3 of the antiferromagnetic exchange coupling constant. The ratio of these two exchange coupling constants in CuCl_2・2H_2O is about 0.55, which differs from 0.3 proposed by Oguchi and 0.165 by Marshall.

• 社団法人日本物理学会の論文
• 1963-04-05

著者

• Nagai Ojiro

  Department Of Physics Faculty Of Science Kobe University

• Nagai Ojiro

  Department Of Physics Osaka University:department Of Pllysics Faculty Of Science Kobe University

• Nagai O.

  Department of Physics, Kobe University,

関連論文

• Low-Temperature Behaviors of Antiferromagnetic Ising Model of Infinite-Spin on Triangular Lattice
• Low-and High-Temperature Behaviors of Ferromagnetic Ising Model of Infinite-Spin
• Structure of Ground States of Antiferromagnetic Ising Model with General-Spin on Triangular Lattice
• The Electric Field Gradient in Cu-Ag Dilute Alloy
• Small-Angle Scattering of Neutrons by FeCl_2 near the Neel Temperature
• Quadrupole Interaction in Crystals
• Surface Magnons and Surface Spin Arrangements in Heisenberg Magnets with Two Kinds of Exchange Interactions
• A Short Range Order Effect in Antiferromagnetics
• Notes on the Ground State of Antiferromagnetism
• Magnetic Phase Transition in a Weak Ferromagnet
• On the Two-Spin Cluster Theory of Ferro- and Antiferromagnetism

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