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Polarized Neutron Reflectivity Measurements of Collinear and Non-Collinear Magnetic Structures in Fe/Cr (100) Superlattices

Published online by Cambridge University Press:  03 September 2012

J.F. Ankner ,
A. Schleyer ,
Th. Zeidler ,
C.F. Majkrzak ,
H. Zabel ,
J.A. Wolft  and
P. Grünbergt
J.F. Ankner
Affiliation:
National Institute of Standards and Technology, Gaithersburg, MD 20899
A. Schleyer
Affiliation:
Ruhr Universität Bochum, D-4630 Bochum, Federal Republic of Germany
Th. Zeidler
Affiliation:
Ruhr Universität Bochum, D-4630 Bochum, Federal Republic of Germany
C.F. Majkrzak
Affiliation:
National Institute of Standards and Technology, Gaithersburg, MD 20899
H. Zabel
Affiliation:
Ruhr Universität Bochum, D-4630 Bochum, Federal Republic of Germany
J.A. Wolft
Affiliation:
Forschungszentrum Jülich, D-5170 Jülich, Federal Republic of Germany
P. Grünbergt
Affiliation:
Forschungszentrum Jülich, D-5170 Jülich, Federal Republic of Germany
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Abstract

We have used polarized neutron reflectivity to study the magnetic microstructure of two Fe/Cr (100) superlattices grown by molecular beam epitaxy. The first film, of nominal composition [0.9 nm Cr/5.5 nm Fe]5, and atomically sharp interfaces, exhibits classical collinear antiferromagnetic structure. The other film ([1.2 nm Cr/5.5 nm Fe]5), grown at a higher temperature, shows the field-dependent non-collinear features attributed to biquadratic coupling. We will describe these measurements and our preliminary structural analysis.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 313: Symposium Q1 – Magnetic Ultrathin Films, Multilayers and Surfaces/Magnetic Interfaces-Physics and Characterizations , 1993 , 761
Copyright
Copyright © Materials Research Society 1993

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References

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