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Radiation Effects and Defects in Solids
Incorporating Plasma Science and Plasma Technology
Volume 124, 1992 - Issue 4
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Section b crystal lattice deffects and amorphous materials

Effect of gamma irradiation on thermoluminescence and thermodynamic parameters of LiKSO4 doped with Nd2 O3

M. A. El-kolalyPhysics Department, Faculty of Science, Qatar University, Doha, Qatar
,
M. E. KassemPhysics Department, Faculty of Science, Qatar University, Doha, Qatar
,
A. A. HigazyPhysics Department, Faculty of Science, Qatar University, Doha, Qatar
,
L. Z. IsmailPhysics Department, Faculty of Science, Qatar University, Doha, Qatar
&
L. I. Al-houtyPhysics Department, Faculty of Science, Qatar University, Doha, Qatar
Pages 437-442 | Received 01 May 1992, Published online: 19 Aug 2006
 
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Abstract

The thermoluminescence and thermo-dynamic parameters of LiKSO4: Nd were investigated. The effect of Nd dopant concentration in the range 0.1-1% as well as that of γ-irradiation dose in the range 56.3-3.24 × 105 Gy were studied. The glow curves of the material are characterized by a double peak; each behaving seperately with radiation dose. The highest TL enhancement was obtained for Nd concentration of 0.5%; while irradiation dose of few hundreds Gy gave the best TL response. The thermodynamic parameters of LiKSO4 doped with 0.5% Nd decreased with radiation dose up to about 5000 Gy.

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