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Magnetic and Structural Properties of Fe/Pd Multilayers Studied by Magnetic X-Ray Dichroism and X-Ray Absorption Spectroscopy

Published online by Cambridge University Press:  15 February 2011

S. M. Mini
Affiliation:
Materials Science Division, Argonne National Laboratory, Argonne, IL 60439
Eric E. Fullerton
Affiliation:
Materials Science Division, Argonne National Laboratory, Argonne, IL 60439
A. Fontaine
Affiliation:
Laboratoire pour l'Utilisation du Rayonnement Electromagnétique (LURE), Bât. 209D, Centre Universitaire Paris-Sud, 91405 Orsay, France
C. H. Sowers
Affiliation:
Materials Science Division, Argonne National Laboratory, Argonne, IL 60439
A. S. Bommannavar
Affiliation:
EXXON, National Synchrotron Light Source, Brookhaven National Laboratory, NY 11973
A. Traverse
Affiliation:
Centre de Spectrometrie Nucl. et de Spectrometrie de Masse, CNRS, Orsay, France
F. Baudelet
Affiliation:
Lab. Phys. des Solides, Université Nancy I, 54506 Vandeuvre-les-Nancy, France
S. Pizzini
Affiliation:
Laboratoire pour l'Utilisation du Rayonnement Electromagnétique (LURE), Bât. 209D, Centre Universitaire Paris-Sud, 91405 Orsay, France
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Abstract

The results of magnetic circular x-ray dichroism (MCXD) measurements and extended x-ray absorption fine structure measurements (EXAFS) of the Fe K-edges of textured Fe(110)/Pd(111) multilayers are reported. The EXAFS results indicates that the iron in the system goes from bcc to a more densely packed system as the thickness of the iron layer is decreased. The magnetic properties were measured by SQUID magnetometry from 5 - 350 K. For all the samples, the saturation magnetization was significantly enhanced over the bulk values indicating the interface Pd atoms are polarized by the Fe layer. The enhancement corresponds to a moment of ≈2.5μB per interface Pd atom.

Type
Research Article
Copyright
Copyright © Materials Research Society 1995

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Magnetic and Structural Properties of Fe/Pd Multilayers Studied by Magnetic X-Ray Dichroism and X-Ray Absorption Spectroscopy
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