Magnetic Ordering in a Hexagonal Antiferromagnet
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概要
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The magnetic ordering in a hexagonal antiferromagnetic system with both theexchange anisotropy energy and the single-ion anisotropy energy is studied byusing the molecular field approximation. It is shown that the magnetic momentsin an ordered phase appearing at T< T. form either a collinear structure withthe moments parallel or antiparallel to the hexagonal axis or a triangular structurein the basal plane, and that an arrangement of the moments at T - 0 shows avariety of structures. Thus, the system exhibits a variety of magnetic orderingprocesses as the temperature lowers. Our results may give a systematic explana-tion of anomalous ordering processes observed in recent experiments.
- 社団法人日本物理学会の論文
- 1982-08-15
著者
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