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首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Spin-reorientation transitions and magnetic anisotropy in TbFe11-xCoxTi compounds
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Spin-reorientation transitions and magnetic anisotropy in TbFe11-xCoxTi compounds

机译：TbFe11-xCoxTi化合物的自旋取向转变和磁各向异性

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摘要

The aim of this work is to study the influence of substitution of Co for Fe on the magnetocrystalline anisotropy and spin reorientation transition in TbFe11-xCoxTi (x=0;0.5;1;2;3;4;5) compounds. The anisotropy study has been performed by means of torque and magnetization measurements on single crystal samples. It was shown that increase of the Co content in Tb(FeCo)(11)Ti compounds leads to an increase of the Curie temperatures T-c. The temperature of the magnetic phase transition during which the easy magnetic direction (EMD) changes from the c-axis via a cone to the basal plane has been found to decrease with increasing Co concentration. On the basis of the experimental results a T-x magnetic phase diagram was constructed. The appearance of phase transitions can be explained by the temperature-dependent competition between the planar Tb sublattice anisotropy and the transition metal (FeCo),, sublattice anistropy. (C) 1998 Published by Elsevier Science S.A. All rights reserved. [References: 12]
机译：这项工作的目的是研究Co取代Fe对TbFe11-xCoxTi（x = 0; 0.5; 1; 2; 3; 4; 5）化合物中的磁晶各向异性和自旋取向转变的影响。通过对单晶样品的扭矩和磁化强度测量进行了各向异性研究。结果表明，Tb（FeCo）（11）Ti化合物中Co含量的增加导致居里温度T-c的升高。已经发现，随着Co浓度的增加，易磁化方向（EMD）从c轴通过圆锥向基面变化的磁相变温度会降低。根据实验结果，构建了T-x磁相图。相变的出现可以通过平面Tb亚晶格各向异性和过渡金属（FeCo）亚晶格人类行为之间的温度相关竞争来解释。 （C）1998，Elsevier Science S.A.保留所有权利。 [参考：12]

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