Magnetic Structures in Spinel B-Site Lattices; A Proposal of Linear Antiferromagnetism in ZnMn_2O_4

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概要

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• A microscopic molecular field theory has been applied to the B-site lattices of the spinel structure (tetragonal or cubic). It has been found that one of the following three spin configurations has the lowest energy depending on the relative strength of exchange intractions: (i) "antiferromagnetic line structure", (ii)"Verwey order type structure", and (iii) Pure ferromagnetic structure. Our experimental results on ZnMn_20_4, described in this paper, suggest that the "antiferromagnetic line structure" is realized in this oxide. The effect of exchange interactions other than the nearest neighbour ones has also been discussed with special attention to the spin configuration in GeNi_20_4

• 社団法人日本物理学会の論文
• 1966-09-05

著者

• Aiyama Yoshimichi

  Materials Division Electrotechnical Laboratory

• Aiyama Y.

  Materials Division, Electrotechnical Laboratory

関連論文

• Mossbauer Effect in Mn_xFe_O_4
• A Mossbauer Study of Fe^ in Distorting Spinels
• Infrared Absorption of Some Tetragonal Spinels
• Magnetic Structures in Spinel B-Site Lattices; A Proposal of Linear Antiferromagnetism in ZnMn_2O_4
• Jahn-Teller Effects on Mossbauer Spectra of Fe_ in Fe Cr_2O_4 and FeV_2O_4

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