Magnetic properties of DyFe3(BO3)4

被引：20

作者：

Volkov, D. V. ^{[1
]}

Demidov, A. A. ^{[2
]}

Kolmakova, N. P. ^{[2
]}

机构：

[1] Moscow MV Lomonosov State Univ, Moscow 119992, Russia

[2] Bryansk State Tech Univ, Bryansk 241035, Russia

来源：

JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS | 2008年 / 106卷 / 04期

关键词：

D O I：

10.1134/S1063776108040110

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The magnetic properties of an easy-axis trigonal DyFe3(BO3)(4) anti ferromagnetic crystal have been theoretically studied. On this basis, recent experimental data [1] on the field and temperature dependences of magnetization and the temperature dependence of the initial magnetic susceptibility for three crystal lographic directions in this antiferromagnet have been interpreted. The characteristics of the trigonal crystal field for the rare earth ion and the parameters of the Fe-Fe and Fe-Dy exchange interactions are determined. Limitations imposed by features of the magnetic characteristics (anisotropic magnetization in the three crystallographic directions, Schottky-type anomalies in the magnetic susceptibility, etc.) on the possible splitting of the ground-, state multiplet in the crystal field and the splitting of the lowest doublet due to the f-d interaction for Dy3+ ions are established.

引用

页码：723 / 730

页数：8

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