Near-surface magnetic properties of Co-based amorphous ribbons

被引：7
|
作者：
Shalyguina, EE [1 ]
Ganshina, EA
Rheem, YW
Kim, CG
Kim, CO
机构：
[1] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119899, Russia
[2] Chungnam Natl Univ, Res Ctr Adv Magnet Mat, Chungnam 220, South Korea
来源：
PHYSICA B-CONDENSED MATTER | 2003年 / 327卷 / 2-4期
关键词：
amorphous ribbons; magnetization curves; Kerr effect;
D O I：
10.1016/S0921-4526(02)01773-8
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The near-surface magnetic properties of as-cast and annealed (for various times in open air at a temperature T = 380degreesC) Co66Fe4B15Si15 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. (C) 2002 Published by Elsevier Science B.V.
引用
收藏
页码：300 / 303
页数：4
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