Giant magnetoresistance in nonmultilayer magnetic systems

John Q. Xiao, J. Samuel Jiang, and C. L. Chien
Phys. Rev. Lett. 68, 3749 – Published 22 June 1992
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Abstract

We have observed isotropic giant magnetoresistance (GMR) in nonmultilayer magnetic systems using granular magnetic solids. We show that GMR occurs in magnetically inhomogeneous media containing nonaligned ferromagnetic entities on a microscopic scale. The GMR is determined by the orientations of the magnetization axes, the density, and the size of the ferromagnetic entities.

  • Received 5 March 1992

DOI:https://doi.org/10.1103/PhysRevLett.68.3749

©1992 American Physical Society

Authors & Affiliations

John Q. Xiao, J. Samuel Jiang, and C. L. Chien

  • Department of Physics and Astronomy, The Johns Hopkins University, Baltimore, Maryland 21218

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Vol. 68, Iss. 25 — 22 June 1992

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