HYSTERETIC BEHAVIOR OF AMORPHOUS (GD1-XTBX)2CU RANDOM ANISOTROPY MAGNETS

被引:8
作者
ARNAUDAS, JI
DELMORAL, A
DEGROOT, PAJ
机构
[1] UNIV SOUTHAMPTON, DEPT PHYS, SOUTHAMPTON SO9 5NH, HANTS, ENGLAND
[2] UNIV ZARAGOZA, ICMA, E-50009 ZARAGOZA, SPAIN
[3] CSIC, E-50009 ZARAGOZA, SPAIN
关键词
D O I
10.1016/0304-8853(92)90726-5
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We report measurements of the low temperature magnetic properties of a-(Gd1-xTbx)2Cu random anisotropy alloys. Relaxations of the remanence were found to follow closely a ln(t) (or t(-alpha)) relation. The remanence and coercivity have an exponential temperature dependence for x > 0.3 and follow a power law relation for x < 0.3. This behaviour suggests a cross-over in the nature of the low temperature thermally activated processes.
引用
收藏
页码:115 / 116
页数:2
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