A Note on the Magnetic Structure of KMnF_3

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概要

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• The magnetic structure of KMnF_3 has been deduced from group-theoretical consideration based on the new space group P4/mbm. In the uniaxial antiferromagnetic region, the structure is of the G-type with the sublattice magnetization parallel to the z axis, while in the weak-ferromagnetic region the structure is of the pseudo-G-type with the sublattice magnetization nearly parallel to the x (or y) axis and slightly canted towards the y (or x) axis. These proposed structures are examined by trying an interpretation of the magnetic torsion curves given by Heeger et al. [Phys. Rev. 123 (1961) 1652]. By taking the crystallographic and magnetic domain structures into account, it is shown that the new magnetic structures are fully consistent with the torsion curves including the magnetic-field dependence.

• 社団法人日本物理学会の論文
• 1975-07-15

著者

• Hidaka Masanori

  Department Of Physics Faculty Of Science Kyushu University

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