Study on the photo-transfer thermoluminescence in Eu doped potassium chloride

Hector Duran-Munoz, Raul Perez-Salas, Thomas Piters

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In this work a survey of possible optical stimulation processes in irradiated KCl:Eu with a focusing on photo-transfer thermoluminescence (PTTL) effects are shown. For different wavelengths in the range from 180 to 800 nm a cycle of measurements was performed, each comprising of a TL measurement after light irradiation, a TL measurement after beta irradiation for reference purposes and a PTTL measurement. The latter was obtained by applying first a beta irradiation, then a partial readout up to a certain end temperature followed by a monochromatic light irradiation of a specific wavelength and finally a TL measurement. This procedure was repeated for different partial readout end temperatures. From the results the existence of at least four different photo-transfer processes, induced by 310, 245 and 550 nm light are deduced. The photo transfer process induced by an approximate value of 245 nm produced a TL glow peak not seen before in beta or light induced TL. Furthermore it was observed that some of the TL peaks created by light of 240 and 260 nm were strongly sensitized after a beta irradiation and a partial readout.

Idioma originalInglés
Título de la publicación alojadaDefects and Microstructure Complexity in Materials
EditorialMaterials Research Society
Número de páginas6
ISBN (versión impresa)9781632661166
EstadoPublicada - 2013
Evento2012 MRS Fall Meeting - Boston, MA, Estados Unidos
Duración: 25 nov. 201230 nov. 2012

Serie de la publicación

NombreMaterials Research Society Symposium Proceedings
ISSN (versión impresa)0272-9172


Conferencia2012 MRS Fall Meeting
País/TerritorioEstados Unidos
CiudadBoston, MA


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