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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/11211

Title: Quartz thermoluminescence: Dose and dose-rate effects and their implications
Authors: CHAWLA, S
RAO, TKG
SINGHVI, AK
Keywords: crystalline quartz
thar desert
sensitivity
defects
sio2
Issue Date: 1998
Publisher: PERGAMON-ELSEVIER SCIENCE LTD
Citation: RADIATION MEASUREMENTS, 29(1), 53-63
Abstract: Laboratory dose-induced thermoluminescence (TL) sensitivity changes have been observed in natural quartz at doses in excess of 250 Gy. This observation has a direct Implication for environmental dosimetry and luminescence geochronology. We suggest a new variant of thermoluminescence dating based on dose-dependent sensitivity changes. When established fully, this approach can potentially extend the quartz-based TL chronology up to a million years. Electron spin resonance studies on the same samples and using the same irradiation schedule indicate growth of a new centre at g = 2.0033. A conceptual framework to explain these observations has been attempted. (C) 1998 . .
URI: http://dx.doi.org/10.1016/S1350-4487(97)00200-X
http://dspace.library.iitb.ac.in/xmlui/handle/10054/11211
http://hdl.handle.net/10054/11211
ISSN: 1350-4487
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