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ZHANG Heng-Guang, LI Xin, RUAN Jian-Zhong, CHEN De-Lu, ZHAO Zhen-Jie. Influence of vacuum annealing on the GMI effect of Co81.5Fe4.5Mo2B12 microwires[J]. Journal of East China Normal University (Natural Sciences), 2014, (6): 67-72. doi: 10.3969/j.issn.1000-5641.2014.06.010
Citation:
ZHANG Heng-Guang, LI Xin, RUAN Jian-Zhong, CHEN De-Lu, ZHAO Zhen-Jie. Influence of vacuum annealing on the GMI effect of Co81.5Fe4.5Mo2B12 microwires[J]. Journal of East China Normal University (Natural Sciences), 2014, (6): 67-72. doi: 10.3969/j.issn.1000-5641.2014.06.010
ZHANG Heng-Guang, LI Xin, RUAN Jian-Zhong, CHEN De-Lu, ZHAO Zhen-Jie. Influence of vacuum annealing on the GMI effect of Co81.5Fe4.5Mo2B12 microwires[J]. Journal of East China Normal University (Natural Sciences), 2014, (6): 67-72. doi: 10.3969/j.issn.1000-5641.2014.06.010
Citation:
ZHANG Heng-Guang, LI Xin, RUAN Jian-Zhong, CHEN De-Lu, ZHAO Zhen-Jie. Influence of vacuum annealing on the GMI effect of Co81.5Fe4.5Mo2B12 microwires[J]. Journal of East China Normal University (Natural Sciences), 2014, (6): 67-72. doi: 10.3969/j.issn.1000-5641.2014.06.010
Co81.5Fe4.5Mo2B12 microwires were prepared by the TaylorUlitovsky method. Influence of the vacuum annealing conditions on Giant Magnetoimpedance (GMI) effect and its symmetrical properties were studied. The results show that the GMI ratio increases firstly and then decreases with the increase of the annealing temperature. The highest GMI ratio was obtained when the temperature is 250 ℃. The symmetry of the GMI curves of the microwires may be improved after proper annealing. When the annealing temperature is 330 ℃, GMI symmetry of the microwire was deteriorated may be caused by the decrease of the magnetic anisotropy.
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