THE CHANGE IN MAGNETIC-ANISOTROPY IN R(2)FE(17-X)AL(X) COMPOUNDS (R=SM OR TB)

被引：17

作者：

CHENG, ZH

SHEN, BG

LIANG, B

ZHANG, JX

WANG, FW

ZHANG, SY

GONG, HY

机构：

[1] Inst. of Phys., Chinese Acad. of Sci., Beijing

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 1995年 / 7卷 / 24期

关键词：

D O I：

10.1088/0953-8984/7/24/010

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The structure and magnetic properties of R(2)Fe(17-x)Al(x) compounds with R = Sm and with R = Tb were studied. The compounds have a rhombohedral Th2Zn17-type structure. The Curie temperature T-C is found first to increase and then to decrease with increasing x. The substitution of Al has a significant effect on the magnetic anisotropy of R(2)Fe(17-x)Al(x) compounds. A small amount of Al substitution in Sm2Fe17 induces uniaxial anisotropy and a further substitution results in a change in the easy-magnetization direction from c axis to basal plane, whereas an opposite change in the magnetocrystalline anisotropy has been observed in the alloys of Tb2Fe17-xAlx. The samples of Tb2Fe17-xAlx with x greater than or equal to 6 exhibit an easy c axis anisotropy.

引用

页码：4707 / 4712

页数：6

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