Research Papers in Physics and Astronomy

 

Date of this Version

May 1990

Comments

Published in Mat. Res. Soc. Symp. Proc. Vol. 187. © 1990 Materials Research Society. Permission to use.

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 Results are shown for paramagnetic Tb overlayers on Ni(111). The Ginsberg-Landau theory can be used to accurately model terbium thin films for T>Tc.

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