Effects of quenching on the thermoluminescence of MgO

The effect of quenching on the thermoluminescence (TL) of MgO above room temperature have been studied. Six glow peaks between 20 and 400°C appear in the TL spectrum. Quenching induces changes in the peak heights, but no effect on the emission spectra has been found to occur. The thermal annealing o...

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Bibliographic Details
Published in:Solid state communications 1987, Vol.64 (4), p.451-454
Main Authors: Vignolo, J., Ibarra, A., Jiménez de Castro, M.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Other luminescence and radiative recombination
Physics
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Summary:The effect of quenching on the thermoluminescence (TL) of MgO above room temperature have been studied. Six glow peaks between 20 and 400°C appear in the TL spectrum. Quenching induces changes in the peak heights, but no effect on the emission spectra has been found to occur. The thermal annealing of these effects and their dependence on the quenching temperature have been obtained. From these results, the role of quenching induced vacancy defects in the TL processes is discussed.
ISSN:0038-1098
1879-2766
DOI:10.1016/0038-1098(87)90757-5