THE CONDITION FOR THE OCCURRENCE OF ZERO COERCIVE FIELD IN AMORPHOUS RIBBON CARRYING AN AC CURRENT

Citation
S. Sabolek et al., THE CONDITION FOR THE OCCURRENCE OF ZERO COERCIVE FIELD IN AMORPHOUS RIBBON CARRYING AN AC CURRENT, Journal of magnetism and magnetic materials, 130(1-3), 1994, pp. 177-181
Citations number
16
Categorie Soggetti
Material Science","Physics, Condensed Matter
ISSN journal
03048853
Volume
130
Issue
1-3
Year of publication
1994
Pages
177 - 181
Database
ISI
SICI code
0304-8853(1994)130:1-3<177:TCFTOO>2.0.ZU;2-1
Abstract
A zero coercive field H(c) has been obtained by passing an ac current with appropriate phase, frequency and amplitude through an amorphous C o70.3Fe4.7Si15B10 ribbon. The phenomenon is explained in terms of the model for magnetization of amorphous ribbons carrying dc current. The condition for the occurence of H(c) = 0 has been derived and the evide nce provided that the strength of pinning centres responsible for H(c) increases at elevated currents. Some applications of the phenomenon a re briefly discussed.