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Giant Magnetoimpedance in as Quenched Fe Based Nanocrystalline Ribbons

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Abstract:

FeCuNbSiB and FeZrBCu nanocrystalline ribbons can be obtained directly through the melt- spinning technique without additional annealing processes. The giant magnetoimpedance can be observed in FeCuNbSiB and FeZrBCu as quenched ribbons. The addition of Cu improves the nano-crystallization of a-Fe(Si) or a-Fe phase and reduces the grain size in FeCuNbSiB and FeZrBCu as quenched ribbons, which enhances the magnetoimpedance via increasing the variation of permeability under fields. The present experimental results reveal a novel route to fabricate the Fe based nanocrystalline soft magnetic materials with giant magnetoimpedance effect.

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Periodical:

Materials Science Forum (Volumes 475-479)

Pages:

2219-2222

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.475-479.2219

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Online since:

January 2005

Authors:

Ji Fan Hu, Hong Wei Qin, Minhua Jiang, Bo Li, Dongliang Zhao, Xiaojun Yu, Dongling Wang, Xin Lin Wang

Keywords:

Magnetoimpedance, Nanocrystalline Ribbons, Permeability

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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