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http://dx.doi.org/10.4283/JKMS.2004.14.4.115

Anisotropic Magnetoresistance Analysis of Permalloy Film Using 2-dimensional Magnetization Vector Measurement  

Lee, Young-Woo (충남대학교 신소재공학부)
Hu, Yong-Kang (충남대학교 신소재공학)
Lim, Jae-Joon (충남대학교 신소재공학)
Kim, Cheol-Gi (충남대학교 신소재공학)
Kim, Chong-Oh (충남대학교 신소재공학)
Yoon, Tae-Sick (고기능성 자성재료 연구센터)
Abstract
We measured in-plane 2 dimensional magnetization vector using two pick-up coil sets and investigate the relationship between magnetization vector and anisotropic magnetoresistance. We can determine magnetization vector by measuring magnetic moment in x and y direction simultaneously. As the uniaxial magnetic anisotropy of permalloy film increases, magnetoresistance approaches the expectation which is calculated from the angle between current vector and magnetization vector. Magnetoresistance ratio is linearly proportional to the y moment magnitude which is parallel to the current direction.
Keywords
anisotropic magnetoresistance; vector pick-up coil; permalloy; uniaxial anisotropy;
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