Magnetic properties of melt-spun Cu97.5Co2.5 ribbons

被引：1
|
作者：
López, A
Lázaro, FJ
von Helmolt, R
机构：
[1] Univ Zaragoza, CSIC, Inst Ciencia Mat Aragon, Zaragoza 50015, Spain
[2] Siemens AG, Corp Res & Dev, D-91050 Erlangen, Germany
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1999年 / 196卷
关键词：
superparamagnetism; spin glass; AC susceptibility; alloys; nanophase;
D O I：
10.1016/S0304-8853(98)00662-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Magnetisation and AC susceptibility measurements have been performed to characterize the melt-spun Cu97.5Co2.5 alloy. The magnetisation curve, at room temperature, shows two contributions, one superparamagnetic and the other nearly paramagnetic. The temperature dependence of the in-phase AC susceptibility shows two maxima with different dynamical character. These two anomalies are ascribed to be superparamagnetic blocking and spin-glass freezing and agree with previous magnetic and structural studies of the same alloy system. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：61 / 63
页数：3
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