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Magnetic Ordering of Tb Overlayers on Ni(111)

Published online by Cambridge University Press:  21 February 2011

D. Lagraffe ,
A. Miller ,
P.A. Dowben  and
M. Onellion
D. Lagraffe
Affiliation:
Physics Department, Syracuse University, Syracuse, NY 13244-1130
A. Miller
Affiliation:
Physics Department, Syracuse University, Syracuse, NY 13244-1130
P.A. Dowben
Affiliation:
Physics Department, Syracuse University, Syracuse, NY 13244-1130
M. Onellion
Affiliation:
Department of Physics, University of Wisconsin, Madison, WI, 53706
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Abstract

The 5p3/2 to 5p1/2 shallow core level branching ratios in different photoemission geometries provide a measure of the magnetic ordering in rare earth overlayers as a result of final state effects in photoemission. This 5p level anisotropy can be used to probe magnetic ordering across the Tb Curie temperature as well as magnetic ordering induced by a ferromagnetic substrate in a paramagnetic overlayer. Results are shown for paramagnetic Tb overlayers on Ni(111). The Ginzberg-Landau theory can be used to accurately model terbium thin films for T>Tc.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 187: Symposium J – Thin Film Structures and Phase Stability , 1990 , 225
Copyright
Copyright © Materials Research Society 1990

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