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

被引：5
|
作者：
De la Rosa-Cruz, E [1 ]
Díaz-Torres, LA [1 ]
Córdova-Martínez, W [1 ]
Rodríguez-Rojas, RA [1 ]
Meneses-Nava, MA [1 ]
Barbosa-García, O [1 ]
Salas, P [1 ]
Barboza-Flores, M [1 ]
Meléndrez, R [1 ]
机构：
[1] Ctr Invest Opt AC, Leon 37150, Gto, Mexico
来源：
APPLICATIONS OF PHOTONIC TECHNOLOGY 5: CLOSING THE GAP BETWEEN THEORY, DEVELOPMENT, AND APPLICATION | 2002年 / 4833卷
关键词：
YAG; Tb3+; Ce3+; sol-gel; photoluminescence; thermoluminescence; nanocrystlas;
D O I：
10.1117/12.474884
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
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 beta- 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.
引用
收藏
页码：948 / 955
页数：8
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