Structure and magnetic properties of Pr0.1CexTb0.9-xFe1.9 alloys

被引：0
|
作者：
Li, ST [1 ]
Liu, HY [1 ]
Meng, FB [1 ]
Lu, ZM [1 ]
Qu, JP [1 ]
Li, YX [1 ]
机构：
[1] Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R China
来源：
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2005年 / 15卷 / 02期
关键词：
magnetostriction; laves phase; Pr0.1CexTb0.9-xFe1.9; alloy; valence fluctuation;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The structural and magnetic properties of Pr0.1CexTb0.9-xFe1.9 alloys were investigated by using X-ray diffraction, AC susceptibility, VSM and standard strain gauge techniques. The lattice parameter exhibits positive deviation from Vegard's law with the increasing Ce content in the range of 0.4 - 0.6. Curie temperature decreases linearly with increasing Ce content. The saturation magnetization and magnetostriction decrease when 0.2 <= x < 0.4 and x > 0.6, while abnormally increase with Ce content increasing from 0.4 to 0.6. These abnormal changes of lattice parameter, saturation magnetization and magnetostriction can be attributed to the valence fluctuation of Ce ions.
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页码：358 / 360
页数：3
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