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GMR and Structure in Sputtered Co90Fe10/Ag Multilayers

Published online by Cambridge University Press:  15 February 2011

J. D. Jarratt and
J. A. Barnard
J. D. Jarratt
Affiliation:
Department of Metallurgical and Materials Engineering and The Center for Materials for Information Technology, The University of Alabama, Tuscaloosa, Alabama 35487–0202.
J. A. Barnard
Affiliation:
Department of Metallurgical and Materials Engineering and The Center for Materials for Information Technology, The University of Alabama, Tuscaloosa, Alabama 35487–0202.
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Abstract

Giant magnetoresistance (GMR), structure, and magnetic properties of sputtered (Co90Fe10 X Å/Ag Y Å) multilayer films have been investigated. Distinct GMR behaviors including granulartype (GGMR) and ‘discontinuous’ (DGMR) are observed which are strongly dependent on the individual CoFe and Ag layer thicknesses; however, standard multilayer GMR and the associated antiferromagnetic (AFM) coupling is absent. The multilayer structure, individual layer thicknesses, and growth texture were investigated using high and low angle x-ray diffraction (HXRD & LXRD).

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