The effect of surface etching and dation on the permeability spectrum of nanocrystalline Fe85-xCo xNb7B8 ribbon

Xingyu Mao; Wenli Gao; Leyang Dai; Benxi Gu; Youwei Du

doi:10.1007/s11595-005-1040-3

Journal of Wuhan University of Technology Materials Science Edition ›› 2007, Vol. 22 ›› Issue (1) : 40 -43. DOI: 10.1007/s11595-005-1040-3

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The effect of surface etching and dation on the permeability spectrum of nanocrystalline Fe_85-xCo_xNb₇B₈ ribbon

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Abstract

Etching and oxidation were adopted to improve the frequency dependence of permeability of nanocrystalline Fe_85-xCo_xNb₇B₈ ribbons. The effect of etching and oxidation on the permeability spectrum of nanocrystalline Fe_85-xCo_xNb₇B₈ ribbons was investigated. The relaxation frequency shifted to higher frequency end after etching and oxidation while the amplitude of µ_i was reduced at the same time. As a whole, µ_i f ₀ rises and reflects the increasing of resistivity after etching and oxidation.

Keywords

etching / oxidation / amorphous alloy / nanocrystalline / relaxation frequency / permeability spectrum

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Xingyu Mao, Wenli Gao, Leyang Dai, Benxi Gu, Youwei Du. The effect of surface etching and dation on the permeability spectrum of nanocrystalline Fe_85-xCo_xNb₇B₈ ribbon. Journal of Wuhan University of Technology Materials Science Edition, 2007, 22(1): 40-43 DOI:10.1007/s11595-005-1040-3

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