Thermal quenching of thermoluminescence in quartz samples of various origin

Subedi, B. and Oniya, E. and Polymeris, G. S. and Afouxenidis, D. and Tsirliganis, N. C. and Kitis, G. (2011) Thermal quenching of thermoluminescence in quartz samples of various origin. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 269 (6). pp. 572-581. ISSN 0168-583X

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Abstract

The effect of thermal quenching stands among the most important properties in the thermoluminescence (TL) of quartz on which many applications of TL are based. Since the quartz samples used in various applications are all of different origin it is useful to investigate whether the values of the thermal quenching parameters, i.e. the activation energy for thermal quenching W and a parameter C which describes the ratio of non-radiative to radiative luminescence transitions, evaluated mainly in specific quartz samples can be extrapolated to quartz samples of unknown origin as well as to quartz samples which are annealed at high temperatures. In the present work the TL glow curve of a series of un-annealed and annealed natural and synthetic quartz samples were studied as a function of the heating rate between 0.25 K/s and 16 K/s. Using an indirect fitting method it was found that the thermal quenching parameters W and C in most of the quartz samples are very similar to the values accepted in the literature. Furthermore, in some cases the thermal quenching parameters Wand Care not the same for all TL glow-peaks in the same glow-curve. Finally, the strong external treatment of annealing the quartz samples at very high temperature can also influence at least one of the thermal quenching parameters.

Item Type:
Journal Article
Journal or Publication Title:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3106
Subjects:
ID Code:
68952
Deposited By:
Deposited On:
25 Mar 2014 09:25
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Jan 2020 08:51