Journal of East China Normal University(Natural Sc ›› 2010, Vol. 2010 ›› Issue (3): 63-67.

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Optimization of soft magnetic property for Co-based glass covered microwires

YANG Qi-yan, ZHANG Qing, CHEN De-lu, ZHAO Zhen-jie
   

  1. Department of Physics, East China Normal University, Shanghai 200062, China
  • Received:2009-11-06 Revised:1900-01-01 Online:2010-05-25 Published:2010-05-25
  • Contact: ZHAO Zhen-jie

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Abstract: This paper studied the Giant Magnetoimpedance (GMI) and field sensitivity (ζ) of Cobased microwires with different diameters and under different annealing current densities, which was prepared by the TaylorUlitovsky method. The results showed that with the increase of diameters of the microwires the GMI and ζ both increase first and then decrease. The best soft magnetic property is obtained for the microwires with 29 μm in diameter. The highest field sensitivity (602 %/Oe ) is found under 120 A/mm2 current annealing.

Key words: soft magnetic property, optimization, glass covered microwires, soft magnetic property, optimization

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