Correlation of afterglow, trap states and site preference in RE2O3:1%Eu (RE = Lu, Y, Sc) single crystal scintillators

doi:10.1016/j.jlumin.2019.01.021

SIC OpenIR

	Correlation of afterglow, trap states and site preference in RE2O3:1%Eu (RE = Lu, Y, Sc) single crystal scintillators
	Feng, He; Zhuang, Lyu Chao; Huang, Shimin; Zhang, Zhijun; Xu, Zhan; Mao, Rihua; Zhao, Jingtai
	2019-05-01
Source Publication	JOURNAL OF LUMINESCENCE
ISSN	0022-2313
Volume	209 Pages:232
Subtype	Article
Abstract	RE2O3:1%Eu (RE= Lu, Y, Sc) single crystals were grown by the optical floating zone method. Correlated measurements of afterglow curves, thermoluminescence, photoluminescence decay, and radioluminescence curves were performed. It is found that the afterglow intensity of Sc2O3:Eu is much lower than the other two compounds and Y2O3:Eu presents a slightly lower afterglow intensity than Lu2O3:Eu. It is discussed in the light of the influence of trap states and site preference in the RE2O3:Eu. The afterglow difference between Sc2O3:Eu and other two compounds mainly comes from the disappearance of Schottky defect in Sc2O3:Eu. Meanwhile the afterglow difference between Y2O3:Eu and Lu2O3:Eu probably ascribes to the lower S-6 site ratio in Y2O3:Eu. Their photoluminescence and other radioluminescence properties were also measured and compared.
Keyword	RE2O3:Eu Afterglow Trap state Site preference
DOI	10.1016/j.jlumin.2019.01.021
Language	英语
WOS Research Area	Optics
Publisher	ELSEVIER SCIENCE BV
Citation statistics	Cited Times:1[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	http://ir.sic.ac.cn/handle/331005/27156
Collection	中国科学院上海硅酸盐研究所
Recommended Citation GB/T 7714	Feng, He,Zhuang, Lyu Chao,Huang, Shimin,et al. Correlation of afterglow, trap states and site preference in RE2O3:1%Eu (RE = Lu, Y, Sc) single crystal scintillators[J]. JOURNAL OF LUMINESCENCE,2019,209:232.
APA	Feng, He.,Zhuang, Lyu Chao.,Huang, Shimin.,Zhang, Zhijun.,Xu, Zhan.,...&Zhao, Jingtai.(2019).Correlation of afterglow, trap states and site preference in RE2O3:1%Eu (RE = Lu, Y, Sc) single crystal scintillators.JOURNAL OF LUMINESCENCE,209,232.
MLA	Feng, He,et al."Correlation of afterglow, trap states and site preference in RE2O3:1%Eu (RE = Lu, Y, Sc) single crystal scintillators".JOURNAL OF LUMINESCENCE 209(2019):232.

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