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Influence of cerium doping concentration on the optical properties of Ce,Mg:LuAG scintillation ceramics

Chen, Xiaopu and Hu, Zewang and Cao, Maoqing and Hu, Chen and Liu, Shuping and Chen, Haohong and Shi, Yun and Kou, Huamin and Xie, Tengfei and Vedda, Anna and Jary, Vitezslav and Kucerkova, Romana and Nikl, Martin and Li, Jiang (2018) Influence of cerium doping concentration on the optical properties of Ce,Mg:LuAG scintillation ceramics. Journal of the European Ceramic Society, 38 (9). pp. 3246-3254. ISSN 0955-2219.

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Ce,Mg:LuAG scintillation ceramics with Ce dopant content ranging from 0.025 at.% to 0.3 at.% and constant 0.2 at.% Mg codoping were fabricated by solid-state reaction. The effects of Ce concentration and annealing conditions on the microstructure, optical quality and scintillation properties are studied in great details. Lattice parameters as well as the absorption, photoluminescence, radioluminescence and thermoluminescence characteristics are investigated as a function of Ce content. Both the photoluminescence and scintillation decays are measured as well in order to study re-absorption and concentration quenching processes. In addition, an enhanced positive effect of air annealing on radioluminescence intensity and light yield is put in evidence. Moreover, the role of the charge transfer absorption of Ce^(4+) is investigated. Thermoluminescence measurements are performed to investigate the influence of both air annealing and Ce concentration on defects acting as traps. Finally, the correlations among steady state scintillation efficiency, light yield, thermoluminescence and Ce^(3+) concentration are found and discussed.

Item Type:Article
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URLURL TypeDescription
Hu, Chen0000-0002-3285-4831
Nikl, Martin0000-0002-2378-208X
Additional Information:© 2018 Elsevier Ltd. Received 17 October 2017, Revised 5 March 2018, Accepted 16 March 2018, Available online 20 March 2018.
Subject Keywords:Ce,Mg:LuAG ceramics; Ce concentration; Optical and scintillation properties
Issue or Number:9
Record Number:CaltechAUTHORS:20180327-111552859
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Official Citation:Xiaopu Chen, Zewang Hu, Maoqing Cao, Chen Hu, Shuping Liu, Haohong Chen, Yun Shi, Huamin Kou, Tengfei Xie, Anna Vedda, Vitezslav Jary, Romana Kucerkova, Martin Nikl, Jiang Li, Influence of cerium doping concentration on the optical properties of Ce,Mg:LuAG scintillation ceramics, Journal of the European Ceramic Society, Volume 38, Issue 9, 2018, Pages 3246-3254, ISSN 0955-2219, (
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:85458
Deposited By: Tony Diaz
Deposited On:27 Mar 2018 18:22
Last Modified:09 Mar 2020 13:19

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