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J Nanosci Nanotechnol. 2009 Mar;9(3):1851-7.

Thermoluminescence and optically stimulated luminescence properties of beta-irradiated TiO2:Yb nanoparticles.

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Posgrado en Ingeniería y Ciencias Aplicadas, UAEM-CIICAP Cuernavaca, Morelos, México.


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.


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