Compensation temperatures and composition homogeneity in amorphous GdxCo1-x films

被引：4
|
作者：
Morales, R [1 ]
Alvarez-Prado, LM [1 ]
Martín, JI [1 ]
Alameda, JM [1 ]
机构：
[1] Univ Oviedo, Dept Fis, Oviedo 33007, Spain
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2004年 / 272卷
关键词：
rare earth-transion metal alloy; amorphous ferrimagnetic film; compensation temperature; mean-field theory;
D O I：
10.1016/j.jmmm.2003.12.147
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Amorphous GdxCo1-x films have been prepared to study the effects of composition gradients on the magnetic properties. Very small chemical variations result in remarkable effects on the saturation magnetization values and the hysteresis loops for a temperature interval around the nominal compensation temperature. Microscopic magnetic parameters deduced from films with well-defined composition homogeneity in terms of the mean-field theory have been used to evaluate the dispersion in x content from direct magnetization measurements. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：1427 / 1429
页数：3
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