Thermal stability of sputtered Ni81Fe19/Ag multilayers

被引：7
|
作者：
Bouat, S
Auffret, S
Rodmacq, B
机构：
[1] Laboratoire Nanostructures et Magnétisme, SP2M, CEA-Grenoble, 38054 Grenoble Cédex 9
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1997年 / 165卷 / 1-3期
关键词：
multilayers; -; metallic; thermal stability; magnetoresistance; annealing effect;
D O I：
10.1016/S0304-8853(96)00547-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
From the observation of magnetic and structural properties of Ag/Ni81Fe19 multilayers, we show that two diffusion mechanisms are involved in the thermal evolution of such structures: the diffusion of Ag at interfaces and at grain boundaries. Upon annealing, they first lead to a decrease in interface roughness and then cause the layers to become discontinuous. We have also observed that thermal treatments under an applied magnetic field have an influence on the magnetoresistive properties of the samples. This could be due to some modification of the domain structure, resulting in a different contribution of electron scattering by domains walls.
引用
收藏
页码：338 / 341
页数：4
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