SIC OpenIR
Effect of Li+ions co-doping on luminescence, scintillation properties and defects characteristics of LuAG:Ce ceramics
Liu, Shuping1; Feng, Xiqi1; Hu, Chen1; Kou, Huamin1; Li, Jiang1; Mares, Jiri A.2; Babin, Vladimir2; Nikl, Martin2; D'Ambrosio, Carmelo3; Pan, Yubai4
2017
发表期刊Optical Materials
ISSN09253467
卷号64页码:245-249
摘要Monovalent Li+codoped Lu3Al5O12:Ce (LuAG:Ce) optical ceramics were fabricated by solid state reaction method and further optimized by an air-annealing process. Optical absorption, radioluminescence spectra and scintillation properties such as light yield, scintillation decay times and afterglow were measured and compared with those of the Li+free LuAG:Ce ceramic and the commercial LuAG:Ce single crystal samples. Positive effect of Li+codopant consists mainly in the significant increase of scintillation light yield, acceleration of scintillation decay as well as the decrease of afterglow intensity. With 0.3% Li codoping, the obtained LuAG:Ce,Li ceramic displays a light yield of ∼29200 ph/MeV at 10 μs shaping time, higher than that of the LuAG:Ce single crystal and optical ceramic scintillators ever reported. The partial conversion of the stable Ce3+to Ce4+centers and the shallow and deep traps effect suppression by the Li+codoping are discussed. © 2016 Elsevier B.V.
DOI10.1016/j.optmat.2016.12.024
EI入藏号20165303204094
EI主题词Ceramic materials
EI分类号741.1 Light/Optics - 741.3 Optical Devices and Systems - 802.2 Chemical Reactions - 812.1 Ceramics - 812.3 Glass - 933.1 Crystalline Solids - 944.7 Radiation Measuring Instruments
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文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25873
专题中国科学院上海硅酸盐研究所
作者单位1.Key Laboratory of Transparent Opto-functional Inorganic Materials, Shanghai Institute of Ceramic, Chinese Academy of Science, Shanghai; 200050, China;
2.Institute of Physics, AS CR, Cukrovarnicka 10, Prague; 16253, Czech Republic;
3.CERN, PH-LHB Group, Geneva 23; CH1211, Switzerland;
4.Shanghai Normal University, Shanghai; 200234, China
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Liu, Shuping,Feng, Xiqi,Hu, Chen,et al. Effect of Li+ions co-doping on luminescence, scintillation properties and defects characteristics of LuAG:Ce ceramics[J]. Optical Materials,2017,64:245-249.
APA Liu, Shuping.,Feng, Xiqi.,Hu, Chen.,Kou, Huamin.,Li, Jiang.,...&Pan, Yubai.(2017).Effect of Li+ions co-doping on luminescence, scintillation properties and defects characteristics of LuAG:Ce ceramics.Optical Materials,64,245-249.
MLA Liu, Shuping,et al."Effect of Li+ions co-doping on luminescence, scintillation properties and defects characteristics of LuAG:Ce ceramics".Optical Materials 64(2017):245-249.
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