Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/117890
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Type: | Journal article |
Title: | Extended duration optically stimulated luminescence in quartz |
Author: | Williams, O. Spooner, N. Smith, B. Moffatt, J. |
Citation: | Radiation Measurements, 2018; 119:42-51 |
Publisher: | Elsevier |
Issue Date: | 2018 |
ISSN: | 1350-4487 |
Statement of Responsibility: | Owen M. Williams, Nigel A. Spooner, Barnarby W. Smith, Jillian E. Moffatt |
Abstract: | As part of an investigation into the mechanisms underlying optically stimulated luminescence (OSL) in quartz, we have shone a number of South Australian natural quartzes over a six day measurement period. During this time the OSL signal was recorded over ten decades in time and fell six to seven decades in luminescent intensity. In particular, we observe the presence of a number of steps that appear when the luminescence is displayed in log/log form. In exploring the underlying mechanism, we review both the standard energy band gap model for quartz OSL and the alternative defect pair model and find that the latter can be applied to explain the steps in terms of a nearest neighbour extension. |
Rights: | © 2018 Elsevier Ltd. All rights reserved. |
DOI: | 10.1016/j.radmeas.2018.09.005 |
Published version: | http://dx.doi.org/10.1016/j.radmeas.2018.09.005 |
Appears in Collections: | Aurora harvest 8 IPAS publications Physics publications |
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hdl_117890.pdf | Accepted version | 569.63 kB | Adobe PDF | View/Open |
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