Magnetic behavior of Fe(001)/ZnSe(001)/Fe(001) sandwiches grown on ZnSe(001) epilayer on GaAs(001)

被引：8
|
作者：
Varalda, J
Ribeiro, GAP
Ortiz, WA
de Oliveira, AJA
Mosca, DH
Etgens, VH
Eddrief, M
机构：
[1] Univ Fed Sao Carlos, Grp Supercondutividade & Magnetismo, Ctr Multidisciplinar Desenvolvimento Mat Ceram, Dept Fis, BR-13565905 Sao Carlos, SP, Brazil
[2] Univ Fed Parana, Dept Fis, BR-81531990 Curitiba, Parana, Brazil
[3] Univ Paris 06, Lab Mineral & Crystallog Paris, F-75252 Paris, France
[4] Univ Paris 07, Lab Mineral & Crystallog Paris, F-75252 Paris, France
来源：
PHYSICA B-CONDENSED MATTER | 2002年 / 322卷 / 3-4期
基金：
巴西圣保罗研究基金会;
关键词：
hybrid heterostructures; Fe films; Fe/ZnSe/Fe trilayers; exchange coupling;
D O I：
10.1016/S0921-4526(02)01199-7
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The magnetic behavior of the hybrid heterostructures Fe(001)/ZnSe(001)/Fe(001) grown on ZnSe(001) epilayers on GaAs(001) substrates by molecular beam epitaxy was investigated by SQUID magnetometry. Three different thicknesses of the ZnSe spacer layer were used to investigate the magnetic coupling between 200 Angstrom thick Fe layers. Our results indicate the existence of an effective exchange bias field of about 5 Oe possibly originating from a residual antiferromagnetic coupling through 50 Angstrom thick ZnSe layer. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：312 / 314
页数：3
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