Near-surface magnetic properties and giant magnetoimpedance of Co-based amorphous ribbons

The study of near-surface local magnetic properties and giant magnetoimpedance (GMI) were carried out on Co 68Fe 4Cr 4Si 12B 12 amorphous ribbons. The amorphous ribbon was obtained by planar flow casting in air (samples N1). The second amorphous ribbon with the same composition (samples N2) was prep...

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Published inJournal of magnetism and magnetic materials Vol. 258; pp. 174 - 176
Main Authors Shalyguina, E.E., Komarova, M.A., Molokanov, V.V., Kim, Chong-Oh, Kim, CheolGi, Rheem, Youngwoo
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.03.2003
Subjects
Amorphous ribbons
Kerr effect
Magnetization curves
Magnetoimpedance
Kerr effect
Magnetization curves
Magnetoimpedance
Amorphous ribbons
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Summary:The study of near-surface local magnetic properties and giant magnetoimpedance (GMI) were carried out on Co 68Fe 4Cr 4Si 12B 12 amorphous ribbons. The amorphous ribbon was obtained by planar flow casting in air (samples N1). The second amorphous ribbon with the same composition (samples N2) was prepared from the part of the ribbon N1 by planar flow casting in a He atmosphere. Scanning Kerr microscopy showed that the studied samples have strongly distinguishing near-surface magnetic properties and different micromagnetic structure (equilibrium distribution of the magnetization). The magnetic field dependencies of GMI ratio profile in these ribbons were discovered to be also various.
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ISSN:0304-8853
DOI:10.1016/S0304-8853(02)01037-5