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Rf and uhf giant magnetoimpedance effects in soft magnetic fibers and wires

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8 Author(s)
P. Ciureanu ; Eng. Phys., Ecole Polytech., Montreal, Que., Canada ; C. Akyel ; M. Britel ; J. Gauthier
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We have investigated the giant magnetoimpedance (GMI) effect in fibers of different soft magnetic materials and in Permalloy wires. The fibers have been tested in the radio frequency (rf) range, by measuring the voltage drops in different parts of the circuit. The wires have been tested in the ultra high frequency (uhf) range, by measuring the transmission coefficient s21 of coaxial lines having as central conductor a HyMu80 wire. The two methods provided quite similar results showing a strong GMI effect for very different magnetic samples

Published in:

IEEE Transactions on Magnetics  (Volume:32 ,  Issue: 5 )