Giant Magnetoimpedance in Fe89B4Hf7 Nanocrystalline Ribbons

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Abstract:

In this work the giant magnetoimpedance effect has been found in Fe89B4Hf7 nanocrystalline ribbons. There is an optimal annealing temperature about 650°C for obtaining a large magnetoimpedance. The magnetoimpedance can reach 208% for Fe89B4Hf7 annealed at 650°C for 20min. meanwhile, it has been found that the magnetoimpedance in FeHfB shows a good thermal- heating stability, which is useful for application.

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Materials Science Forum (Volumes 475-479)

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2203-2206

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January 2005

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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