Resumen
The photoluminescence (PL) and thermoluminescence (TL) characterization of undoped and cerium and terbium doped nanocrystalline Y3Al5O12 (YAG) prepared by the Sol-Gel method is reported. The experimental results of the PL show the typical emission bands centered at 490, 543 and 590 nm for YAG:Tb3+ and 530 nm for YAG:Ce3+ when excited with 325 and 345 nm light, respectively. The TL signal was obtained after exposure to UV-, X- and β-irradiation. The thermoluminescence results indicate that YAG:Tb3+ sample is very sensitive to all type of irradiation used, being highly sensitive for UV-irradiation. The high efficiency of the TL and PL suggests a good potential of this material as radiation dosimeter as well as active optical windows and new generation television screen.
Idioma original | Inglés |
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Páginas (desde-hasta) | 948-955 |
Número de páginas | 8 |
Publicación | Proceedings of SPIE - The International Society for Optical Engineering |
Volumen | 4833 |
DOI | |
Estado | Publicada - 2002 |
Evento | Aplications of Photonic Technology - Quebec City, Canadá Duración: 1 jun. 2002 → 6 jun. 2002 |