DOMAIN AND DOMAIN-WALL OBSERVATIONS IN SPUTTERED EXCHANGE-BIASED WEDGES

被引：20
|
作者：
SCHAFER, R
HUBERT, A
PARKIN, SSP
机构：
[1] UNIV ERLANGEN NURNBERG,INST WERKSTOFFWISS,W-8520 ERLANGEN,GERMANY
[2] IBM CORP,DIV RES,ALMADEN RES CTR,SAN JOSE,CA 95120
来源：
IEEE TRANSACTIONS ON MAGNETICS | 1993年 / 29卷 / 06期
关键词：
D O I：
10.1109/20.280926
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Sputtered exchange-coupled sandwich systems with FeMn biasing underlayer, NiFe and NiCo ferromagnetic layers and wedge shaped Ru interlayers were investigated by Kerr microscopy. Domain analysis confirms the basic oscillatory behavior between ferro- and antiferromagnetic exchange coupling as a function of the non-magnetic interlayer thickness. High resolution observation reveals many 360-degrees domain walls especially in zones of weak coupling. These 360-degrees walls act as nucleation sites in a strongly hysteretic magnetization process and may form a problem in sensor applications.
引用
收藏
页码：2738 / 2740
页数：3
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