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Luminescence and scintillation characteristics of cerium doped Gd2YGa3Al2O12 ceramics
Chen, Xiaopu; Hu, Zewang; Feng, Yagang; Liu, Xin; Chen, Haohong; Shi, Yun; Kucerkova, Romana; Beitlerova, Alena; Nikl, Martin; Li, Jiang
2019-04-01
Source PublicationOPTICAL MATERIALS
ISSN0925-3467
Volume90Pages:20
SubtypeArticle
AbstractThe cerium doped Gd2YGa3Al2O12 (Ce:GYGAG) scintillation ceramics were fabricated by the solid state reaction method. The microstructure, luminescence and scintillation properties have been studied. In photoluminescence decays, the decay times of Ce:GYGAG ceramic samples are close to monoexponential. Some slower component can be found, which can be related to the local inhomogeneities of ceramic sample and self-absorption of Ce3+. Meanwhile, the Ce:GYGAG ceramics perform excellent on scintillation efficiency which is evaluated by the XEL steady-state luminescence and its fast part characterized by light yield (LY). The LY value reaches similar to 45000 ph/MeV with an energy resolution of 8.67% under the gamma-ray excitation. The LY0.5 mu s/LY6 mu s value of Ce:GYGAG is calculated to be 87.5% which is much superior than 42.5% in compared Ce:LuAG ceramics. In the scintillation decays, a lower content of slow components are detected in Ce:GYGAG ceramic sample comparing to the Ce:LuAG ceramics.
KeywordCe:GYGAG ceramics Photoluminescence Decay kinetics Scintillation efficiency
DOI10.1016/j.optmat.2019.02.008
Language英语
WOS Research AreaMaterials Science ; Optics
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27207
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Chen, Xiaopu,Hu, Zewang,Feng, Yagang,et al. Luminescence and scintillation characteristics of cerium doped Gd2YGa3Al2O12 ceramics[J]. OPTICAL MATERIALS,2019,90:20.
APA Chen, Xiaopu.,Hu, Zewang.,Feng, Yagang.,Liu, Xin.,Chen, Haohong.,...&Li, Jiang.(2019).Luminescence and scintillation characteristics of cerium doped Gd2YGa3Al2O12 ceramics.OPTICAL MATERIALS,90,20.
MLA Chen, Xiaopu,et al."Luminescence and scintillation characteristics of cerium doped Gd2YGa3Al2O12 ceramics".OPTICAL MATERIALS 90(2019):20.
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