GIANT MAGNETORESISTANCE WITH LOW SATURATION FIELD IN (NIXCO100-X/CU) MULTILAYERS

被引:21
作者
BIAN, X
STROMOLSEN, JO
ALTOUNIAN, Z
HUAI, Y
COCHRANE, RW
机构
[1] MCGILL UNIV,DEPT PHYS,MONTREAL H3A 2T8,QUEBEC,CANADA
[2] INRS ENERGIE & MAT,VARENNES J3X 1S2,PQ,CANADA
[3] UNIV MONTREAL,RECH PHYS & TECHNOL COUCHES MINCES GRP,MONTREAL H3C 3J7,QUEBEC,CANADA
[4] UNIV MONTREAL,DEPT PHYS,MONTREAL H3C 3J7,QUEBEC,CANADA
基金
美国国家科学基金会;
关键词
D O I
10.1063/1.356727
中图分类号
O59 [应用物理学];
学科分类号
摘要
We have investigated giant magnetoresistance (GMR) in NixCo100-x/Cu multilayers for x in the range 20-100. The GMR at room temperature is greater than 12% for magnetic alloys with x near 80, where the magnetocrystalline anisotropy is small. The smallest saturation fields are found near x = 60 in the region where the magnetostriction vanishes. This combination of large GMR and small saturation field results in large MR field sensitivities up to 0.16%/Oe at room temperature. In order to maximize these parameters, we have also studied the dependence of the MR on the magnetic layer thickness and the number of bilayers.
引用
收藏
页码:7064 / 7066
页数:3
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