Study of Stress Annealing on Giant Magneto-Impedance in Glass-Covered Co-Based Amorphous Microwires

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The glass-covered Co-rich amorphous wires was annealed by an applied stress during the current annealing process. The influence of stress and dc current annealing on the giant magneto-impedance (GMI) effect were investigated by the magneto-impedance. Our experiments showed that the magentic anisotropy is reduced by the annealing treatments, furthermore, the maximum GMI value is increased to 105 %.The GMI value is enhanced by increasing the outer domain volume and inducing a transverse anisotropy due to the changing of inner stress.

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Edited by:

Yongbo Shao, Shuguang Hao, Yuping Luo, Jibo Xing and Zhiyong Liu

Pages:

1119-1121

Citation:

B. Tian and Y. L. Xia, "Study of Stress Annealing on Giant Magneto-Impedance in Glass-Covered Co-Based Amorphous Microwires", Applied Mechanics and Materials, Vols. 174-177, pp. 1119-1121, 2012

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May 2012

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