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Magnetic X-Ray Circular Dichroism in Nickel-Gold Multilayers

Published online by Cambridge University Press:  15 February 2011

A. F. Jankowski ,
G. D. Waddill  and
J. G. Tobin
A. F. Jankowski
Affiliation:
Lawrence Livermore National Laboratory, Livermore, CA 94551-9900 U.S.A.
G. D. Waddill
Affiliation:
University of Missouri, Physics Department, Rolla, MO 65401-0249 U.S.A.
J. G. Tobin
Affiliation:
Lawrence Livermore National Laboratory, Livermore, CA 94551-9900 U.S.A.
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Abstract

Magnetic circular dichroism in x-ray absorption is used to investigate the in-plane, remnant magnetization of well-characterized Ni0.48/Au0.52 multilayers. Large superlattice strains are found in this multilayer system for samples with a 2nm layer pair spacing. A larger dichroism is found in the Ni 2p absorption edge for a 1.8nm than for a 4.4nm layer pair sample. The larger dichroism is consistent with a larger magnitude of in-plane strain for the Ni layers and a larger total magnetic anisotropy energy as previously shown from magnetization curves.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 375: Symposia AA – Applications of Synchrotron Radiation Techniques to Materials Science , 1994 , 71
Copyright
Copyright © Materials Research Society 1995

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