The effect of hydrogenation on the magnetization reversal process in amorphous ferromagnets |
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| Authors: | L. Ceniga L. Novák M. Zentková K. Šterbáková |
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| Affiliation: | (1) Institute of Experimental Physics, Slovak Acad. Sci., Watsonova 47, 043 53 Košice, Slovakia;(2) Prešov University, Nám. Legionárov 3, 080 01 Prešov, Slovakia |
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| Abstract: | The influence of hydrogenation and dehydrogenation on the power spectra of Barkhausen noise in amorphous alloys has been investigated. It has been shown that after hydrogenation local stress centers occur in amorphous structure. Presence of the centers leads to long-wave fluctuations of domain wall energy which cause the decrease of the number of irreversible domain wall displacements. |
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