Giant magnetoimpedance (GMI) effect in soft melt-extracted magnetic amorphous fibres

V. Zhukova; A. Zhukov; V. Kraposhin; A. Prokoshin; J. Gonzalez

doi:10.3379/tmjpn2001.3.118

V. Zhukova, A. Zhukov, V. Kraposhin, A. Prokoshin, J. Gonzalez

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Keywords: giant magnetoimpedance, soft magnetic fibres, hysteresis loops, current annealing

JOURNAL FREE ACCESS

2003 Volume 3 Issue 4 Pages 118-121

DOI https://doi.org/10.3379/tmjpn2001.3.118

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Abstract

Co_79.6 Fe_4.6 Si_9.2 B_2.7 Mo_3.9 amorphous fibres were produced by the modified melt-extraction process. Studied fibres exhibit GMI ratio of the order of 50% in as-cast state which is connected to their soft magnetic behaviour and small magnetostriction constant. Effect of ac current frequency and amplitude and current annealing (current intensity from 88 to 95 mA, annealing time up to 28 min)on GMI effect has been studied.

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