Magnetic properties of Tb2(Fe,Si)17 single crystals

被引：1
|
作者：
Li, YX [1 ]
Gao, SX
Du, J
Tang, CC
Cai, C
Wu, GH
Zhan, WS
机构：
[1] Chinese Acad Sci, State Key Lab Magnetism, Inst Phys, Beijing 100080, Peoples R China
[2] Chinese Acad Sci, Ctr Condensed Matter Phys, Beijing 100080, Peoples R China
来源：
JOURNAL OF MATERIALS RESEARCH | 1999年 / 14卷 / 07期
关键词：
D O I：
10.1557/JMR.1999.0360
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
magnetic properties of single-crystalline Tb2Fe17-xSix (x = 0, 1, 2, 3, and 3.3) have been investigated. The Si substitution constricted the lattices by 1.5% and caused the Th2Ni17 transfer to Th2Zn17. The Curie temperature increased from 413 to 526 K, and the spontaneous magnetic moment decreased from 82.6 to 46.4 emu/g with the increase of Si. The stronger anisotropy and coercivity were generated by Si occupying the Fe sublattices. A domain wall pinning-dominated mechanism was responsible for increasing the coercivity force from 0.01 T (x = 1) to about 0.36 T (x = 3.3) at 1.5 K.
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页码：2697 / 2700
页数：4
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