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Method for analyzing the in-plane uniaxial anisotropy of soft magnetic thin film

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3 Author(s)
Xue, Desheng ; The Key Laboratory for Magnetism and Magnetic Materials of MOE, Lanzhou University, Lanzhou 730000, People’s Republic of China ; Fan, Xiaolong ; Jiang, Changjun

Your organization might have access to this article on the publisher's site. To check, click on this link:http://dx.doi.org/+10.1063/1.2219127 

Based on the vibrating sample magnetometer, a method is proposed to comprehensively analyze the in-plane uniaxial anisotropy of magnetic thin film. It can be used to determine accurately the values of effective anisotropy magnetic field Ha, anisotropy constants K1 and K2, as well as the directions of easy and hard axes. All of them can be carried out by fitting experimental M/Ms0 curves with theoretical equations that only require one measurement. Using this method an effective anisotropy magnetic field Ha=25.3 Oe and anisotropy constants K1=2.24×104 erg/cm3 and K2=-4.7×103 erg/cm3 for the Co92Zr8 thin film were derived.

Published in:

Applied Physics Letters  (Volume:89 ,  Issue: 1 )