Giant magnetoresistance and microstructure of CoCu granular alloy films

Qiang Zou; Shoubai Zhang; Bingchu Cai; Xiaodong Wang

doi:10.1117/12.293490

14 November 1997 Giant magnetoresistance and microstructure of CoCu granular alloy films

Qiang Zou, Shoubai Zhang, Bingchu Cai, Xiaodong Wang

Proceedings Volume 3241, Smart Materials, Structures, and Integrated Systems; (1997) https://doi.org/10.1117/12.293490
Event: Far East and Pacific Rim Symposium on Smart Materials, Structures, and MEMS, 1997, Adelaide, Australia

Abstract

Metastable CoCu thin films are deposited by rf magneto- sputtering. The relationship between magnetoresistance of CoCu granular films and vacuum annealing temperature, applied magnetic field, composition of alloy thin film are studied. FCC structure Co second phase are precipitated after annealing. Giant magnetoresistance effect is observed in the nonmagnetic Cu matrix, its magnitude depends on the quantity and size of Co particles. The structure of CoCu granular alloy films is investigated by x-ray and TEM method.

Citation Download Citation

Qiang Zou, Shoubai Zhang, Bingchu Cai, and Xiaodong Wang "Giant magnetoresistance and microstructure of CoCu granular alloy films", Proc. SPIE 3241, Smart Materials, Structures, and Integrated Systems, (14 November 1997); https://doi.org/10.1117/12.293490

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