OSCILLATORY INTERLAYER MAGNETIC EXCHANGE COUPLING IN NI80FE20/CR MULTILAYER STRUCTURES

被引:7
|
作者
PENG, CB
DAI, C
DAI, DS
机构
[1] Department of Physics, Peking University
关键词
D O I
10.1063/1.352238
中图分类号
O59 [应用物理学];
学科分类号
摘要
The evidence of antiferromagnetic interlayer exchange coupling in Ni80Fe20/Cr multilayers is reported. In Ni80Fe20/Cr multilayers, both the magnitude of the interlayer magnetic exchange coupling and the saturation magnetoresistance have been found to oscillate with the Cr spacer layer thickness with a period of about 13 angstrom. Moreover, a weaker absorption line above main line in ferromagnetic resonance spectrum for the antiferromagnetically coupling film with Cr layer thickness of 12 angstrom has been observed in perpendicular geometry, and the strength of the antiferromagnetic coupling has been estimated to be about 0.017 erg/cm2 as well.
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收藏
页码:4250 / 4253
页数:4
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