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Motional Correlation Time of Dilute 111Cd Impurities in Se-Rich Liquid Se-Te Alloys

Published online by Cambridge University Press:  15 February 2011

D. K. Gaskill ,
J. A. Gardner ,
K. S. Krane ,
K. Krusch  and
R. L. Rasera
D. K. Gaskill
Affiliation:
Department of Physics, Oregon State University, Corvallis, Oregon 97331
J. A. Gardner
Affiliation:
Department of Physics, Oregon State University, Corvallis, Oregon 97331
K. S. Krane
Affiliation:
Department of Physics, Oregon State University, Corvallis, Oregon 97331
K. Krusch
Affiliation:
Department of Physics, Oregon State University, Corvallis, Oregon 97331
R. L. Rasera
Affiliation:
Department of Physics, Oregon State University and University of Maryland Baltimore County, Catonsville, Maryland 21228
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Abstract

The motional correlation time, τc, in liquid Se and Se-rich Se-Te alloys has been investigated between 500 and 900°C using time differential perturbed angular correlations of y-rays from dilute 111Cd impurities. In all alloys we find τc ∝ exp (E0/kT) at low T where E0 = 0.36 eV. τC deviates from this relation at high T. At low T, τCis tentatively identified as the lifetime of a Cd to host molecule bond, and at high T as the average lifetime of bonds in the host molecule.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 3: Symposium – Nuclear and Electron Resonance Spectroscopies Applied to Materials Science , 1980 , 369
Copyright
Copyright © Materials Research Society 1981

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References

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