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Publication Citation: Domain Structures in Magnetoresistive Granular Metals

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Author(s): A Gavrin; Michael H. Kelley; J Xiao; C Chien; Robert Celotta;
Title: Domain Structures in Magnetoresistive Granular Metals
Published: January 01, 1995
Abstract: We have imaged the magnetic domain structure of several heterogeneous CoxAg1-x alloys by using scanning electron microscopy with polarization analysis. These images show that extended domain structures exist in both the as-deposited samples and in samples annealed at moderate temperatures. This suggests that a significant fraction of the cobalt in these materials does not contribute to the giant magnetoresistance. Only those samples annealed at 600° C and containing less than 40% cobalt by volume show no domain structure.
Citation: Applied Physics Letters
Volume: 66
Issue: 13
Pages: pp. 1683 - 1685
Research Areas: Nanomagnetics
PDF version: PDF Document Click here to retrieve PDF version of paper (2MB)