Photoluminescence and thermoluminescence of YAG:Ce3+,Tb3+ nanocrystalline under UV-, X- and B-irradiation

Elder de la Rosa-Cruz; Luis A. Diaz-Torres; W. Cordova-Martinez; R. A. Rodriguez-Rojas; M. Antonio Meneses-Nava; Oracio Barbosa-Garcia

doi:10.1117/12.474884

17 February 2003 Photoluminescence and thermoluminescence of YAG:Ce³⁺,Tb³⁺ nanocrystalline under UV-, X- and β-irradiation

Elder de la Rosa-Cruz, Luis A. Diaz-Torres, W. Cordova-Martinez, R. A. Rodriguez-Rojas, M. Antonio Meneses-Nava, Oracio Barbosa-Garcia

Author Affiliations +

Proceedings Volume 4833, Applications of Photonic Technology 5; (2003) https://doi.org/10.1117/12.474884
Event: Applications of Photonic Technology 5, 2002, Quebec City, Canada

Abstract

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.

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Elder de la Rosa-Cruz, Luis A. Diaz-Torres, W. Cordova-Martinez, R. A. Rodriguez-Rojas, M. Antonio Meneses-Nava, and Oracio Barbosa-Garcia "Photoluminescence and thermoluminescence of YAG:Ce³⁺,Tb³⁺ nanocrystalline under UV-, X- and β-irradiation", Proc. SPIE 4833, Applications of Photonic Technology 5, (17 February 2003); https://doi.org/10.1117/12.474884

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