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- Title
Magnetic properties of DyFe<sub>3</sub>(BO<sub>3</sub>)<sub>4</sub>.
- Authors
Volkov, D. V.; Demidov, A. A.; Kolmakova, N. P.
- Abstract
The magnetic properties of an easy-axis trigonal DyFe3(BO3)4 antiferromagnetic 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 crystallographic 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.
- Subjects
MAGNETIC properties; ANTIFERROMAGNETISM; FERROMAGNETISM; MAGNETIZATION; CRYSTALLOGRAPHY
- Publication
Journal of Experimental & Theoretical Physics, 2008, Vol 106, Issue 4, p723
- ISSN
1063-7761
- Publication type
Article
- DOI
10.1134/S1063776108040110