Evaluation of trap parameters associated with thermoluminescence peaks in fired quartz

Evaluation of trap parameters associated with thermoluminescence peaks in fired quartz

Dating and retrospective dosimetry are the main applications related to the properties of thermoluminescence of fired quartz. The performance of these techniques can be improved by understanding and characterisation of the traps and luminescence centers responsible for the thermoluminescence emissio...

Full description

Saved in:
Bibliographic Details
Published in:Radiation measurements Vol. 41; no. 7; pp. 813 - 818
Main Authors: Mebhah, D., Imatoukene, D., Abdelazziz, F.Z., Lounis-Mokrani, Z.
Format: Journal Article Conference Proceeding
Language:English
Published: Oxford Elsevier Ltd 01-08-2006
Elsevier
Subjects:
Activation energy
Deconvolution
Earth sciences
Earth, ocean, space
Exact sciences and technology
Fired quartz
Geochronology
Isotope geochemistry. Geochronology
Peak shape
Thermoluminescence
Whole glow curve
Peak shape
Deconvolution
Activation energy
Fired quartz
Whole glow curve
Thermoluminescence
quartz
heat treatment
deconvolution
traps
luminescence
separation
activation energy
temperature
silicates
dating
framework silicates
thermoluminescence
kinetics
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Dating and retrospective dosimetry are the main applications related to the properties of thermoluminescence of fired quartz. The performance of these techniques can be improved by understanding and characterisation of the traps and luminescence centers responsible for the thermoluminescence emission. In this study, a fired quartz powder sample, extracted from local bricks, is used. Seven overlapping TL peaks are identified by the T m - T stop method. The best peak separation procedure is carried out using the appropriate dose level and pre-heating temperature. For isolated TL peaks located at 100, 202 and 350 ∘ C (as measured with a heating rate of 5 ∘ C s - 1 ), the associated kinetic parameters (activation energy and kinetic order) are determined by three methods: peak shape, whole glow curve and computerised glow curve deconvolution. The results are presented, discussed and compared with those reported in the literature.
ISSN:1350-4487
1879-0925
DOI:10.1016/j.radmeas.2006.04.005