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Radiation Damage and Its Annealing in Sodium Silica Glass

Published online by Cambridge University Press:  28 February 2011

T.D. Mark  and
W. Ritter
T.D. Mark
Affiliation:
Institut für Experimentalphysik, Technikerstr. 25, A 6020 Innsbruck, Austria
W. Ritter
Affiliation:
Institut für Experimentalphysik, Technikerstr. 25, A 6020 Innsbruck, Austria
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Abstract

Annealing of radiation damage in artificial sodium silica glass has been studied by absorption spectroscopy for different radiation sources (fission fragments produced by n,f reactions, alpha decays produced by n, α reactions, and 2 MeV electrons) as a function of annealing time and temperature. The annealing observed can be described best by a single exponential function

A(t) = a exp (− αt)

with an Arrhenius type temperature dependence of the annealing coefficient α

α(T) = α0 exp (− EA/kT)

For the three different radiation sources similar activitation energies EA were deduced from the data. Possible annealing processes are discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 84: Symposium L – Scientific Basis for Nuclear Waste Management X , 1986 , 659
Copyright
Copyright © Materials Research Society 1987

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