PHOTOINDUCED ANTIFERROMAGNETIC INTERLAYER COUPLING IN FE/(FE-SI) SUPERLATTICES

被引：114

作者：

MATTSON, JE

KUMAR, S

FULLERTON, EE

LEE, SR

SOWERS, CH

GRIMSDITCH, M

BADER, SD

PARKER, FT

机构：

[1] KOREA UNIV,DEPT MET ENGN,SEOUL 136701,SOUTH KOREA

[2] UNIV CALIF SAN DIEGO,CTR MAGNET RECORDING RES,LA JOLLA,CA 92093

来源：

PHYSICAL REVIEW LETTERS | 1993年 / 71卷 / 01期

关键词：

D O I：

10.1103/PhysRevLett.71.185

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report photoinduced antiferromagnetic (AF) interlayer coupling in sputtered Fe/(Fe-Si) superlattices. The superlattices are intrinsically AF coupled at room temperature and become increasingly ferromagnetically coupled when cooled below 100 K, but the AF coupling is restored at low temperature by exposure to visible light of sufficient intensity ( > 10 mW/mm2). These effects are due to charge carriers in the Fe-Si spacer layer which, when thermally or optically generated, are capable of communicating spin information between the Fe layers.

引用

页码：185 / 188

页数：4

共 25 条

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