OSCILLATIONS WITH A PERIOD OF 2 CR MONOLAYERS IN THE ANTIFERROMAGNETIC EXCHANGE COUPLING IN A (001) FE/CR/FE SANDWICH STRUCTURE

被引：211

作者：

PURCELL, ST ^{[1
]}

FOLKERTS, W ^{[1
]}

JOHNSON, MT ^{[1
]}

MCGEE, NWE ^{[1
]}

JAGER, K ^{[1
]}

DESTEGGE, JA ^{[1
]}

ZEPER, WB ^{[1
]}

HOVING, W ^{[1
]}

机构：

[1] FORSCHUNGSZENTRUM JULICH, INST FESTKORPERFORSCH, W-5170 JULICH 1, GERMANY

来源：

PHYSICAL REVIEW LETTERS | 1991年 / 67卷 / 07期

关键词：

D O I：

10.1103/PhysRevLett.67.903

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Oscillations with a period of two Cr monolayers were measured in the antiferromagnetic exchange coupling between Fe magnetizations separated by Cr. The coupling was measured on a sample consisting of a Au(20 angstrom)/Fe(50 angstrom)/Cr(0-18 angstrom wedge) film deposited by a molecular-beam epitaxy on a Fe[100] single-crystal "whisker." The Cr and Fe grew monolayer by monolayer as monitored by reflection high-energy-electron diffraction. The coupling was determined from the magneto-optic Kerr effect. It was antiferromagnetic for 5-18 angstrom Cr with four strong peaks and a maximum value of -0.60 mJ/m2 for eight monolayers of Cr.

引用

页码：903 / 906

页数：4

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