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Asymmetrical magneto-impedance effect in twisted amorphous wires for sensitive magnetic sensors

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3 Author(s)
Kitoh, T. ; Dept. of Electr. Eng., Nagoya Univ., Japan ; Mohri, K. ; Uchiyama, T.

An asymmetrical and sensitive magneto-impedance effect was realized in twisted FeCoSiB and CoSiB amorphous wires magnetized with a dc-biased ac current, in impedance up to about 120%/Oe. The asymmetrical magneto-impedance (AMI) is useful to construct linear field sensors without any dc bias field. Mechanisms of the AMI are also discussed

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Magnetics, IEEE Transactions on  (Volume:31 ,  Issue: 6 )