2003•Journal of Applied PhysicsRequires access

Study of domain wall magnetoresistance by submicron patterned magnetic structure

Chunhua Yu, Shang‐Fan Lee, Jai-Lin Tsai, E‐Wen Huang, T. Y. Chen, Y. D. Yao, Y. Liou, Ching‐Ray Chang

Abstract

Through the proper design of submicron permalloy (Ni80Fe20) wires, domain wall magnetoresistance is investigated. A positive contribution to magnetoresistance (MR) was found for domain walls in these wires after extracting the anisotropic MR effect. Some theoretical models are used to discuss our results.

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Key concepts: Permalloy, Magnetoresistance, Materials science, Condensed matter physics, Domain wall (magnetism), Magnetic domain, Micromagnetics, Giant magnetoresistance