Charge movement in grains of quartz studied using exo-electron emission

Publication: Research - peer-reviewConference article – Annual report year: 2008

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A flow-through Geiger-Muller pancake electron detector attachment has been fitted to the Riso TL/OSL reader, enabling optically stimulated electrons (OSE) to be measured simultaneously with optically stimulated luminescence (OSL). This detector has been used to provide new insights into charge movement in luminescence phosphors. Here we show that OSE from natural quartz grains gives an easily detectable, reproducible and light sensitive signal, although it is not as intense as OSL. A single sample of natural quartz grains extracted from a sediment is used to investigate the thermal stability and dependence on stimulation temperature of the OSE and OSL signals. The response to dose of these signals is also investigated, and conclusions drawn on the movement of electrons in this natural phosphor. (C) 2007 Elsevier Ltd. All rights reserved.
Original languageEnglish
JournalRadiation Measurements
Publication date2008
Volume43
Journal number2-6
Pages273-277
ISSN1350-4487
DOIs
StatePublished

Conference

ConferenceSolid State Dosimetry Conference
Number15
CityDelft (NL)
Period01/01/07 → …
CitationsWeb of Science® Times Cited: 7
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