Optimization of the giant magnetoresistance observed in granular (CoFe)Ag alloys

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Universite Henri Poincare, Vandoeuvre-les-Nancy, France [1 ]
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J Magn Magn Mater | / 1-2卷 / 311-312期
关键词：
Adhesion - Coercive force - Composition effects - Electric conductivity - Evaporation - Magnetic fields - Magnetic variables measurement - Magnetization - Magnetoresistance - Silver - Substrates;
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摘要：
We have optimized the giant magnetoresistance of coevaporated (CoFe)Ag alloys as a function of the nature of the substrate, the sample thickness and the alloy composition. The alloy-substrates adherence has been controlled with in situ resistance measurements. The observed variation of the coercive field with particle size suggests the existence of interparticle interactions.
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