The temperature dependence of the perpendicular giant magnetoresistance in Co/Cu multilayered nanowires

被引：109

作者：

Piraux, L ^{[1
]}

Dubois, S

Fert, A

Belliard, L

机构：

[1] Univ Catholique Louvain, Unite Physicochim & Phys Mat, B-1348 Louvain, Belgium

[2] CNRS, UMR, F-91404 Orsay, France

[3] Thomson CSF, Cent Rech Lab, F-91404 Orsay, France

[4] Univ Paris Sud, Phys Solides Lab, F-91405 Orsay, France

来源：

EUROPEAN PHYSICAL JOURNAL B | 1998年 / 4卷 / 04期

关键词：

D O I：

10.1007/s100510050398

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

A theory, based on earlier work by Valet and Fert, is first presented to describe the influence of temperature on the perpendicular giant magnetoresistance (GMR) in multilayers. Then we present GMR measurements performed at T = 77 K and at room temperature on Co/Cu multilayered nanowires with layer thicknesses ranging from a few nm to 1 mu m. We use our model to obtain a good quantitative fit to the experimental results in both the short spin diffusion length limit and out of this limit. We discuss the temperature dependence of the bulk parameters, the scattering spin asymmetry coefficient and spin diffusion length in the Co layers.

引用

页码：413 / 420

页数：8

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