OSCILLATORY INTERLAYER EXCHANGE COUPLING WITH THE CU CAP LAYER THICKNESS IN CO/CU/CO/CU(100)

被引：46

作者：

DEVRIES, JJ ^{[1
]}

SCHUDELARO, AAP ^{[1
]}

JUNGBLUT, R ^{[1
]}

BLOEMEN, PJH ^{[1
]}

REINDERS, A ^{[1
]}

KOHLHEPP, J ^{[1
]}

COEHOORN, R ^{[1
]}

DEJONGE, WJM ^{[1
]}

机构：

[1] PHILIPS RES LABS,5656 AA EINDHOVEN,NETHERLANDS

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 75卷 / 23期

关键词：

D O I：

10.1103/PhysRevLett.75.4306

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

An oscillatory dependence of the strength of the antiferromagnetic exchange coupling on the cap layer thickness has been observed in an epitaxial Co/Cu/Co/Cu(100) sample with a wedge-shaped Cu interlayer and cap layer. The result is consistent with a single long oscillation period stemming from the extremal spanning vector of the Cu (cap layer) Fermi surface along the Gamma X line. The absence of a short period oscillation is understood from the confinement of the corresponding electron states to the spacer. A quantitative comparison with Bruno's model is made.

引用

页码：4306 / 4309

页数：4

共 14 条

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