Metallic-type oscillatory interlayer exchange coupling across an epitaxial FeSi spacer -: art. no. 157202

被引：64

作者：

Gareev, RR ^{[1
]}

Bürgler, DE ^{[1
]}

Buchmeier, M ^{[1
]}

Olligs, D ^{[1
]}

Schreiber, R ^{[1
]}

Grünberg, P ^{[1
]}

机构：

[1] Forschungszentrum Julich, Inst Festkorperforsch, D-52425 Julich, Germany

来源：

PHYSICAL REVIEW LETTERS | 2001年 / 87卷 / 15期

关键词：

D O I：

10.1103/PhysRevLett.87.157202

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study interlayer exchange coupling in epitaxial Fe/Fe0.56Si0.44/Fe trilayers. Iron-silicide spacers with high structural and compositional homogeneity for thicknesses up to 34 Angstrom are grown by coevaporation from two electron-beam sources. The coupling strength oscillates with spacer thickness for temperatures from 20 to 300 K with two antiferromagnetic maxima at 12 and 26 Angstrom, and it clearly increases with decreasing temperature down to 80 K. We conclude that the coupling across ordered Fe1-xSix (x approximate to 0.5) is described by the conventional theory of interlayer coupling across metallic spacers.

引用

页码：157202/1 / 157202/4

页数：4

共 18 条

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