Magnetic properties of Nd0.9Dy0.1Fe3(BO3)4

被引：7
|
作者：
Demidov, A. A. [1 ]
Gudim, I. A. [2 ]
Eremin, E. V. [2 ]
机构：
[1] Bryansk State Tech Univ, Bryansk 241035, Russia
[2] Russian Acad Sci, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
来源：
PHYSICA B-CONDENSED MATTER | 2012年 / 407卷 / 03期
关键词：
Phase transitions; Rare-earth ferroborates RFe3(BO3)(4); Multiferroics;
D O I：
10.1016/j.physb.2011.11.004
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The magnetic properties of trigonal Nd0.9Dy0.1Fe3(BO3)(4) substituted compound with the competitive Nd-Fe and Dy-Fe exchange interactions have been investigated. It has been shown that in Nd0.9Dy0.1Fe3(BO3)(4) a spontaneous spin-reorientation transition from an ease-axis state to an easy-plane occurs near 8 K. Anomalies of the magnetization curves are observed in a spin-flop transition induced by the magnetic field B parallel to c. The calculations were performed using a molecular-field approximation and a crystal-field model for the rare-earth subsystem. Extensive experimental data on the magnetic properties of Nd0.9Dy0.1Fe3(BO3)(4) have been interpreted and good agreement between theory and experiment has been achieved using the obtained theoretical dependences. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：393 / 397
页数：5
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