Scintillation properties and effect of thermal annealing in Lu3Al5O12:Ce and Lu3Al5O12:Pr ceramics

被引：7
|
作者：
Witkowski, Marcin E. [1 ]
Zhou, Ding [2 ]
Drozdowski, Winicjusz [1 ]
Xu, Jiayue [2 ]
机构：
[1] Nicolaus Copernicus Univ, Fac Phys Astron & Informat, Inst Phys, Grudziadzka 5, PL-87100 Torun, Poland
[2] Shanghai Inst Technol, Sch Mat Sci & Engn, Inst Crystal Growth, Shanghai 201418, Peoples R China
来源：
OPTICAL MATERIALS | 2018年 / 85卷
关键词：
Oxide materials; Ceramics; Recombination and trapping; Luminescence; X-ray and gamma-ray spectroscopies; DOPED LUAG SCINTILLATOR; SINGLE-CRYSTALS; LUMINESCENCE; RESOLUTION; LUTETIUM; AIR;
D O I：
10.1016/j.optmat.2018.08.061
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The impact of thermal annealing on the properties of LuAG:Ce and LuAG:Pr ceramics has been investigated. The results of measurements of pulse height spectra, scintillation time profiles, absorption spectra, radioluminescence as a function of temperature, absorption spectra, as well as low temperature thermally stimulated luminescence, performed before and after annealing of the samples in air, are compared. Pulse height spectra are used to estimate the light outputs of the samples, while scintillation time profiles to find the decay time constants. Absorption spectra are analyzed to identify the observed lines and/or bands. Radioluminescence spectra examine the changes of particular emissions as a function of temperature. Finally, parameters of traps detected in thermally stimulated luminescence are determined by decompositions of the recorded glow curves.
引用
收藏
页码：230 / 237
页数：8
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