Magnetoresistive sensitivity and uniaxial anisotropy of spin-valve microstrips with a synthetic antiferromagnet

被引：0
|
作者：
T. A. Chernyshova
M. A. Milyaev
L. I. Naumova
V. V. Proglyado
N. S. Bannikova
I. K. Maksimova
I. A. Petrov
V. V. Ustinov
机构：
[1] Russian Academy of Sciences,Institute of Metal Physics, Ural Branch
来源：
Physics of Metals and Metallography | 2017年 / 118卷
关键词：
spin valve; synthetic antiferromagnet; giant magnetoresistive effect; magnetoresistive sensitivity; induced anisotropy;
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学科分类号：
摘要：
Microobjects (strips) were formed by contact photolithography using Та/Ni80Fe20/Co90Fe10/Cu/Co90Fe10/Ru/Co90Fe10/Fe50Mn50/Ta spin-valves prepared by magnetron sputtering. A mutually perpendicular arrangement of uniaxial and unidirectional anisotropy axes in microobjects has been formed using two different thermomagnetic treatment regimes. The magnetoresistive sensitivity of spin valve and spin-valve-based microobject has been found to depend on the mutual arrangement of the easy magnetization axis and direction of magnetic field applied upon thermomagnetic treatment. The obtained data have been interpreted taking into account changes in the induced anisotropy and anisotropy due to the shape of the microobject.
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页码：415 / 420
页数：5
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