Influence of Self-Absorption and Impurities on Scintillation Properties of (Lu0.1 Y0.9 )AlO3 :Ce Single Crystals
DING Dong-Zhou, LU Sheng, QIN Lai-Shun, REN Guo-Hao
Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201800
Influence of Self-Absorption and Impurities on Scintillation Properties of (Lu0.1 Y0.9 )AlO3 :Ce Single Crystals
DING Dong-Zhou;LU Sheng;QIN Lai-Shun;REN Guo-Hao
Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201800
关键词 ：
78.55.Hx ,
78.40.Ha ,
78.60.Hk
Abstract ： Lu0.1 Y0.9 AlO3 :Ce single crystals in dimensions ∅30×90mm3 are successfully grown by the Czochralski method. The light output and energy resolution of the crystal in dimensions ∅14×2mm3 are 9420 photons/MeV and 12.5% respectively. Dependence of the light output on the thickness of the sample is found and explained by the self-absorption in the range of 320--370nm and the underlying parasitic absorption around 250nm. In addition, the local enrichment of Ce ions and the presence of low-valent impurity ions may cause the deterioration of its light output. In addition, Lu0.1 Y0.9 AlO3 :Ce has an almost constant fluorescence decay time of 16ns in the temperature range of 80--373K.
Key words ：
78.55.Hx
78.40.Ha
78.60.Hk
出版日期: 2006-09-01
:
78.55.Hx
(Other solid inorganic materials)
78.40.Ha
(Other nonmetallic inorganics)
78.60.Hk
(Cathodoluminescence, ionoluminescence)
引用本文:
DING Dong-Zhou;LU Sheng;QIN Lai-Shun;REN Guo-Hao. Influence of Self-Absorption and Impurities on Scintillation Properties of (Lu0.1 Y0.9 )AlO3 :Ce Single Crystals[J]. 中国物理快报, 2006, 23(9): 2570-2572.
0.1 Y0.9 )AlO3 :Ce Single Crystals. Chin. Phys. Lett., 2006, 23(9): 2570-2572.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2006/V23/I9/2570
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