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A Neutron Reflectivity Study of the Interfacial Magnetism of an Y/Gd Film

Published online by Cambridge University Press:  21 February 2011

J.F. Ankner ,
H. Zabel ,
D.A. Neumann ,
C.F. Majkrzak ,
A. Matheny ,
J.A. Dura  and
C.P. Flynn
J.F. Ankner
Affiliation:
Department of Physics and Materials Research Laboratory, University of Illinois, 1110 W. Green St., Urbana, IL 61801
H. Zabel
Affiliation:
Department of Physics and Materials Research Laboratory, University of Illinois, 1110 W. Green St., Urbana, IL 61801
D.A. Neumann
Affiliation:
Institute of Materials Science and Engineering, National Institute of Standards and Technology, Building 235 A106, Gaithersburg, MD 20899
C.F. Majkrzak
Affiliation:
Institute of Materials Science and Engineering, National Institute of Standards and Technology, Building 235 A106, Gaithersburg, MD 20899
A. Matheny
Affiliation:
Department of Physics and Materials Research Laboratory, University of Illinois, 1110 W. Green St., Urbana, IL 61801
J.A. Dura
Affiliation:
Department of Physics and Materials Research Laboratory, University of Illinois, 1110 W. Green St., Urbana, IL 61801
C.P. Flynn
Affiliation:
Department of Physics and Materials Research Laboratory, University of Illinois, 1110 W. Green St., Urbana, IL 61801
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Abstract

Using the technique of polarized-neutron reflectometry, we have studied the magnetic moment distribution in the interfacial region of an epitaxial film consisting of 97 Å Y(0001) atop 1000 Å Gd(0001). At T = 151 K, with an 80 gauss field applied parallel to the surface (basal plane), we observe two distinct ferromagnetic regions: the Gd bulk and a layer with reduced magnetic moment at the Y/Gd interface. Above the bulk Curie temperature, at T = 295 K , we observe no net magnetization in either the bulk or the interface.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 166: Symposium J – Neutron Scattering for Materials Science , 1989 , 109
Copyright
Copyright © Materials Research Society 1990

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References

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