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Evidence for the Photoemission Nature of Gd 4f Resonant Photoemission

Published online by Cambridge University Press:  10 February 2011

S. R. Mishra ,
T. R. Cummins ,
W. J. Gammon ,
G. D. Waddill ,
G. Van der-Laan ,
K. W. Goodman  and
J. G. Tobin
S. R. Mishra
Affiliation:
Department of Physics, Virginia Commonwealth University, Richmond, VA 23284
T. R. Cummins
Affiliation:
Department of Physics, University of Missouri-Rolla, Rolla, MO 65401
W. J. Gammon
Affiliation:
Department of Physics, Virginia Commonwealth University, Richmond, VA 23284
G. D. Waddill
Affiliation:
Department of Physics, University of Missouri-Rolla, Rolla, MO 65401
G. Van der-Laan
Affiliation:
Daresbury Laboratory, Warrington WA4 4AD, United Kingdom
K. W. Goodman
Affiliation:
Lawrence Livermore National Laboratory, Livermore, CA 93550
J. G. Tobin
Affiliation:
Lawrence Livermore National Laboratory, Livermore, CA 93550
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Abstract

The constructive interference between direct and indirect channels above the absorption threshold of a core level leads to a massive increase in the emission cross section leading to a phenomenon called “resonant photoemission”. Using novel magnetic linear dichroism in angular distribution photoelectron spectroscopy experiment we have tried to understand the nature of the resonant photoemission process in Gd metal. The presence of dichroism in Gd 4f photoemission intensity at a photon energy corresponding to resonant photoemission clearly demonstrates the photoemission-like nature of the resonant photoemission process.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 524: Symposium V – Application of Synchrotron Radiation Techniques…IV , 1998 , 197
Copyright
Copyright © Materials Research Society 1998

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References

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