Near-surface magnetic properties of Co-based amorphous ribbons

The near-surface magnetic properties of as-cast and annealed (for various times in open air at a temperature T=380°C) Co 66Fe 4B 15Si 15 amorphous ribbons were studied by using a magneto-optical magnetometer. The effect of etching of the annealed samples on their near-surface magnetic properties was...

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Veröffentlicht in:Physica. B, Condensed matter Condensed matter, 2003-04, Vol.327 (2), p.300-303
Hauptverfasser: Shalyguina, E.E, Ganshina, E.A, Rheem, Young-Woo, Kim, Cheol Gi, Kim, Chong-Oh
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container_issue 2
container_start_page 300
container_title Physica. B, Condensed matter
container_volume 327
creator Shalyguina, E.E
Ganshina, E.A
Rheem, Young-Woo
Kim, Cheol Gi
Kim, Chong-Oh
description The near-surface magnetic properties of as-cast and annealed (for various times in open air at a temperature T=380°C) Co 66Fe 4B 15Si 15 amorphous ribbons were studied by using a magneto-optical magnetometer. The effect of etching of the annealed samples on their near-surface magnetic properties was investigated. The annealed samples exhibit the presence of a hard near-surface magnetic layer. The hysteresis loops of the etched ribbons change strongly. For etching times ( t etch) larger than 50 s, an influence of the ribbon core on the near-surface magnetic properties of the sample was observed. For t etch>120 s, the hysteresis loops and other magnetic properties of the etched and as-cast samples were practically identical.
doi_str_mv 10.1016/S0921-4526(02)01773-8
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subjects Amorphous ribbons
Kerr effect
Magnetization curves
title Near-surface magnetic properties of Co-based amorphous ribbons
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