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On the Resolvability of Defect Ensembles with Positron Annihilation Studies

Published online by Cambridge University Press:  25 February 2011

M. J. Fluss ,
R. H. Howell ,
I. J. Rosenberg  and
P. Meyer
M. J. Fluss
Affiliation:
Lawrence Livermore National Laboratory, University of California, Livermore, CA 94550
R. H. Howell
Affiliation:
Lawrence Livermore National Laboratory, University of California, Livermore, CA 94550
I. J. Rosenberg
Affiliation:
Lawrence Livermore National Laboratory, University of California, Livermore, CA 94550
P. Meyer
Affiliation:
Lawrence Livermore National Laboratory, University of California, Livermore, CA 94550
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Abstract

Recent advances in the use of positron annihilation to study defect ensembles in and on the surfaces of metals, are pointing the way towards studies where particular positron-electron annihilation modes may be identified and studied in the presence of one another. Although a great deal is understood about the annihilation of positrons in ostensibly defect free metals, much less is understood when the positron annihilates in complex defect systems such as liquid metals, amorphous solids, or at or near the vacuum-solid interface. In this paper the results of three experiments, all of which demonstrate means by which we can resolve various positron annihilation channels from one another, will be discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 41: Symposium K – Advanced Photon and Particle Techniques for the Characterization of Defects in Solids , 1984 , 63
Copyright
Copyright © Materials Research Society 1985

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References

* Work performed under the auspices of the U.S. Dept. of Energy by Lawrence Livermore Laboratory under contract W-7405-ENG-48.Google Scholar
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