Perpendicular coupling in exchange-biased Fe3O4/CoO superlattices

被引：174

作者：

Ijiri, Y ^{[1
]}

Borchers, JA

Erwin, RW

Lee, SH

van der Zaag, PJ

Wolf, RM

机构：

[1] Natl Inst Stand & Technol, Gaithersburg, MD 20899 USA

[2] Philips Res Labs, NL-5656 AA Eindhoven, Netherlands

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 80卷 / 03期

关键词：

D O I：

10.1103/PhysRevLett.80.608

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The CoO antiferromagnetic ordering in exchange-biased (001) Fe3O4/CoO superlattices has been determined as a function of temperature and magnetic field using neutron diffraction methods. The to spins preferentially align in domains in which the spins are perpendicular to the net Fe3O4 moment direction. This 90 degrees orientation between the Fe3O4 and CoO spins is a direct consequence of the interfacial exchange coupling giving rise to exchange biasing, as is not observed in a comparable MgO/CoO superlattice.

引用

页码：608 / 611

页数：4

共 22 条

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