Flux growth and spin reorientation in trigonal Nd1-xDyxFe3(BO3)4 single crystals

被引：58
|
作者：
Gudim, I. A. [1 ]
Eremin, E. V. [1 ]
Temerov, V. L. [1 ]
机构：
[1] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk, Russia
来源：
JOURNAL OF CRYSTAL GROWTH | 2010年 / 312卷 / 16-17期
关键词：
Phase transitions; Single crystal growth; Borates; MAGNETIC-PROPERTIES; GDFE3(BO3)(4); DYFE3(BO3)(4);
D O I：
10.1016/j.jcrysgro.2010.05.013
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Data on the stability area of trigonal Nd1-xDyxFe3(BO3)(4) phase and the dynamics of labile phases in fluxes based on bismuth trimolibdate are presented. The procedure for crystal nucleation in a thin layer of flux cooled on a platinum rod is reported. Conditions for the growth of Nd1-xDyxFe3(BO3)(4) single crystals on seeds are described. Temperature and field dependences of magnetization and specific heat for single crystals with x=0.1 and 0.25 were measured. It is shown that these single crystals, unlike easy-plane NdFe3(BO3)(4) and easy-axis DyFe3(BO3)(4) antiferromagnets, undergo spontaneous spin-flop phase transitions. Both spontaneous and magnetic field-induced spin reorientations were found to occur in one or several jumps depending on the Nd:Dy ratio in the crystals. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：2427 / 2430
页数：4
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