Thermoluminescence of Calcium-Fluoride Doped with Neodymium

Holgate, S.A. and Sloane, T.H. and Townsend, P.D. and White, D.R. and Chadwick, Alan V. (1994) Thermoluminescence of Calcium-Fluoride Doped with Neodymium. Journal of Physics: Condensed Matter, 6 (43). pp. 9255-9266. ISSN 0953-8984. (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

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Thermoluminescence (TL) and radioluminescence (RL) spectra have been recorded from a set of calcium flouride samples doped with Neodymium. The dopant levels used were 1.0, 0.1 and 0.0130 and 400-degrees-C, with spectra being taken both prior to heat treatments, and after heating to 500-degrees-C for one hour and cooling at different rates. For the RL, each sample gave a UV/blue emission band near 300 nm which decreased with increasing Nd concentration. During thermoluminescence the Nd is the main recombination centre and shows characteristic line emission. However the spectra vary with concentration and thermal treatments. Models for the changes involve Nd defect clustering with non-radiative decay paths. At high temperature the TL spectra include other emission bands attributed to relaxed excition decay.

Item Type: Article
Subjects: Q Science > QC Physics
Divisions: Faculties > Science Technology and Medical Studies > School of Engineering and Digital Arts
Depositing User: P. Ogbuji
Date Deposited: 25 Jun 2009 14:03
Last Modified: 14 May 2014 11:17
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