Giant magnetoresistance in Co1-xCux/Cu multilayers: A new approach to reduced magnetoresistive hysteresis

被引:14
|
作者
Kubinski, DJ
Holloway, H
机构
[1] Ford Research Laboratory, SRL/MD3028, Dearborn, MI 4812-2053
关键词
D O I
10.1063/1.365815
中图分类号
O59 [应用物理学];
学科分类号
摘要
Co1-xCux/Cu multilayers have been made by sputtering using codeposition of Co and Cu to obtain Co1-xCux alloy layers that are separated by 20 Angstrom Cu spacers. As with Co/Cu multilayers, this Cu spacer thickness corresponds to the second antiferromagnetic maximum, At ambient temperatures, the Co1-xCux/Cu multilayers with x approximate to 0.5 exhibit an absence of magnetoresistive hysteresis resembling that reported previously for Co/Cu multilayers at the second antiferromagnetic maximum when the Co layers are very thin (similar to 3 Angstrom). The multilayers with Co1-xCux alloys differ significantly from the low-hysteresis Co/Cu multilayers by exhibiting low hysteresis over a larger range of ferromagnetic layer thickness. This is practically significant because it reduces the demands for thickness control during manufacturing. (C) 1997 American Institute of Physics.
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收藏
页码:322 / 325
页数:4
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