Field Induced Phase Transitions in Uniaxial Antiferromagnets

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概要

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• Macroscopic aspects of the field induced phase transitions in two-sublattice uniaxial antiferromagnets are studied in the case of an external field applied along the easy axis. The energy of the system is assumed to be of the form E=1/2Γ(M^+・M^++M^-・M^-)+AM^+・M^-+1/2Φ_x(M_x^<+2>+M_x^<-2>)+Φ_x'M_x^+M_x^--H(M_x^++M_x^-). Possible phases are antiferromagnetic, intermediate, spin-flop, deviated ferromagnetic, and ferromagnetic phases. The nature of each phase and classifications of transitions among these phases are calculated. Deviated ferromagnetic phase first predicted in this paper.

• 社団法人日本物理学会の論文
• 1972-03-05

著者

• YAMASHITA Naohiko

  Department of Material Physics, Faculty of Engineering Science, Osaka University

• Yamashita Naohiko

  Department Of Material Physics Faculty Of Engineering Science Osaka Univer

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• Magnetic Cooling and Phase Transition in Spin Pair System, CeCl_3.7H_2O
• Field Induced Phase Transitions in Uniaxial Antiferromagnets

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