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Track annealing studies in glasses and minerals

โœ Scribed by S.K. Modgil; H.S. Virk

Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
353 KB
Volume
8
Category
Article
ISSN
0735-245X

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โœฆ Synopsis

An empirical formula relating annealing rate, Va, and activation energy of annealing, Ea, is used to describe the annealing process in solid state nuclear track detectors and a three step annealing model is proposed.

The activation energies for annealing are calculated and found that these vary from O.16 eV to 1.0 eV for the detectors studied.

It is observed that during thermal annealing of tracks, it is the annealing rate and not the activation energy which undergoes change with temperature.

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A linear relationship exists between annealing temperatures and activation energies of fission tracks for different minerals. The temperature and activation energy needed to erase 50% of the tracks in minerals depend on the lattice energy per mole. These relationships make possible predictions about