Anisotropic Magnetoresistance and Size Effect of (Ni0.81Fe0.19)0.66Cr0.34/Ni0.81Fe0.19 Thin films

Journal of Inorganic Materials

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Anisotropic Magnetoresistance and Size Effect of (Ni0.81Fe_0.19)_0.66Cr_0.34/Ni_0.81Fe_0.19 Thin films

PENG Zi-Long^1,2; LI Zuo-Yi¹; HU Qiang²; YANG Xiao-Fe¹

1.; Department of Electronic Science and Technology; Huazhong University of Science and Technology; Wuhan 430074; China; 2. State Key Laboratory of Magnetism; Institute of Physics and Center of Condensed Physics, Chinese Academy of Sciences, Beijing 100080, China

Received:2001-03-16 Revised:2001-06-17 Published:2002-03-20 Online:2002-03-20

Abstract

Abstract: The anisotropic magnetoresistance (AMR) and saturation magnetic field of the Permalloy thin films (Ni_0.81Fe_0.19) sputtered on a nonmagnetic (Ni_0.81Fe_0.19)_0.66Cr_0.34 buffer layer were measured. The AMR variations of the films after annealing and the size effect of the AMR stripes after etching were emphatically studied, and a qualitative analysis was proposed through a statistic model. The simulation results agree with the experiments.

Key words: Permalloy thin film, anisotropic magnetoresistance effect, buffer, size effect

CLC Number:

O484

PENG Zi-Long,LI Zuo-Yi,HU Qiang,YANG Xiao-Fe. Anisotropic Magnetoresistance and Size Effect of (Ni0.81Fe_0.19)_0.66Cr_0.34/Ni_0.81Fe_0.19 Thin films[J]. Journal of Inorganic Materials.

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Anisotropic Magnetoresistance and Size Effect of (Ni0.81Fe_0.19)_0.66Cr_0.34/Ni_0.81Fe_0.19 Thin films

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