Interlayer exchange coupling of Fe/Y multilayers

被引：3
|
作者：
Endo, Y
Takama, D
Yamamoto, M
Suenobu, T
Fukuzumi, S
机构：
[1] Osaka Univ, Grad Sch Engn, Dept Mat Sci & Engn, Suita, Osaka 5650871, Japan
[2] Osaka Univ, Grad Sch Engn, Frontier Res Ctr, Suita, Osaka 5650871, Japan
[3] Osaka Univ, Grad Sch Engn, Japan Sci & Technol Corp, CREST, Suita, Osaka 5650871, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS | 2003年 / 42卷 / 3B期
关键词：
interlayer exchange coupling; Fe/Y multilayer; antiferromagnetic coupling; pure Y layer; Fe-Y mixing layer;
D O I：
10.1143/JJAP.42.L291
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have investigated the interlayer exchange coupling in Fe (3.0 nm)/Y (t(Y) nm) multilayers at the range of Y layer thickness (t(Y)) from 0.4 to 4.0 nm by a vibrating sample magnetometer (VSM) and a ferromagnetic resonance (FMR). The coupling changes from antiferromagnetic (AFM) to non-coupled state with an increase of t(Y). The coupling constant (J(1)) in each AFM coupled Fe/Y multilayer can be evaluated, and the maximum value of J(1) is found to be about -0.1 erg/cm(2) at t(Y) = 0.8 nm. The AFM state is considered to occur across the pure Y layer and the Fe-Y mixing layer formed at the Fe/Y interface.
引用
收藏
页码：L291 / L293
页数：3
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