Improvement of the structural and magnetic properties of Permalloy/Gadolinium multilayers with Mo spacers

被引：0
|
作者：
R. Ranchal
C. Aroca
M.C. Sánchez
P. Sánchez
E. López
机构：
[1] Universidad Complutense de Madrid,Dept. Física de Materiales, Facultad de C.C. Físicas
[2] E.T.S.I. Telecomunicación,ISOM & Dpt. Física Aplicada
[3] U.P.M.,undefined
来源：
Applied Physics A | 2006年 / 82卷
关键词：
Auger Electron Spectroscopy; Deposition Power; Composition Depth; Minor Hysteresis Loop; Transition Magnetic Metal;
D O I：
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中图分类号：
学科分类号：
摘要：
We have studied the influence of the growth conditions on the structural characteristics of sputtered Py(Fe20Ni80)/ Gd/Py(Fe20Ni80) thin films. Auger electron spectroscopy reveals the existence of Ni in the Gd layer. The Ni concentration profile appears asymmetric with a higher concentration close to the top Py layer. This asymmetrical Ni concentration produces a different coercivity of each Py layer. It is possible to reduce the Ni interdiffusion by using multilayers based on Py/Gd bilayers separated by Mo spacers between the Py/Gd bilayers. In these samples we have obtained an enhancement of the structural and magnetic properties.
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页码：697 / 701
页数：4
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