Spontaneous and Field-Induced magnetic Phase Transitions in Tb1-xRxMn6Sn6 (R = Gd, Y) Compounds

被引：1
|
作者：
Mushnikov, N. V. [1 ]
Terent'ev, P. B. [1 ]
Gaviko, V. S. [1 ]
Gerasimov, E. G. [1 ]
Rosenfeld, E. V. [1 ]
Shreder, L. A. [1 ]
机构：
[1] RAS, Inst Met Phys, Ural Div, Ekaterinburg 620041, Russia
来源：
MAGNETISM AND MAGNETIC MATERIALS | 2009年 / 152-153卷
关键词：
Rare earth intermetallics; Magnetic anisotropy; Magnetic phase transition; Spin reorientation;
D O I：
10.4028/www.scientific.net/SSP.152-153.37
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Magnetization curves and magnetic susceptibility of Tb(1-x)R(x)Mn(6)Sn(6) (R = Gd, Y) compounds have been measured for aligned powder samples. Concentration dependences of the spin-reorientation transition temperature and temperature dependences of critical fields of the field-induced magnetic transitions have been determined. For the compound Tb(0.1)Y(0.9)Mn(6)Sn(6) with the spiral magnetic structure, we found that application of hydrostatic pressure facilitates the ferrimagnetic ordering. This unusual feature is supported by the observation of a large negative spontaneous volume magnetostriction for TbMn(6)Sn(6). The obtained results are discussed in a model considering three different interlayer Mn-Mn exchange interactions in these compounds.
引用
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页码：37 / 40
页数：4
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