Thermoluminescence and Optically Stimulated Luminescence Properties of -Irradiated TiO2:Yb Nanoparticles
Abstract:The thermoluminescence (TL) and optically stimulated luminescenece (OSL) response of TiO2:Yb nanoparticles are studied. After beta irradiation, the materials developed a significant TL/OSL signal associated to several localized trapping states around 360–620 K. The OSL signal is mainly due to the releasing of trapped charges in the low temperature (360 and 460 K) trapping states. A computer glow curve deconvolution procedure was used to determine the activation energies and kinetic order of the TL processes.
Document Type: Research Article
Publication date: March 1, 2009
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