GIANT MAGNETORESISTANCE IN FE/MO MULTILAYERS FORMED BY MAGNETRON SPUTTERING

被引:21
作者
YAN, ML
LAI, WY
WANG, YZ
LI, SX
YU, CT
机构
[1] Institute of Physics, Chinese Academy of Sciences
关键词
D O I
10.1063/1.358880
中图分类号
O59 [应用物理学];
学科分类号
摘要
Fe/Mo multilayers have been prepared by magnetron sputtering. Giant magnetoresistance (GMR) has been found in the samples with an antiferromagnetic interlayer coupling. The magnetoresistance (MR) ratio exceeds 12% at 4.2 K, and it oscillates as a function of Mo spacer thickness. The oscillation period is about 10-12 Å, which is consistent with the case of the reported Kerr effect. The results suggest that the presence of antiferromagnetic coupling and the absence of GMR are the result of the sharp interfaces, and that relatively rough interfaces and moderately thin Fe layer thickness are the key factors for enhancing MR in the sputtered films. © 1995 American Institute of Physics.
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页码:1816 / 1818
页数:3
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