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Optical and Scintillation Properties of Hf4+ Codoped SrI2:Eu2+ Single Crystals
Wang, SH; Rutstrom, DJ; Stand, L; Koschan, M; Melcher, CL; Wu, YT
2020-06-02
Source PublicationIEEE TRANSACTIONS ON NUCLEAR SCIENCE
ISSN0018-9499
Issue6Pages:876
SubtypeArticle; Proceedings Paper
AbstractSingle crystals of Eu2+-activated SrI2, one of the most leading-edge scintillators for gamma-ray spectroscopy applications, have a low radioactive background, excellent energy resolution of 2.6%-3% at 662 keV, and high light yield of 80 000-120 000 photons/MeV. In this article, tetravalent ions codoping, namely, Hf4+ codoping, was used to enhance its scintillation performance. phi 12 mm diameter SrI2:Eu2+ single crystals codoped with 0, 0.05, 0.1, and 0.2 at% Hf4+ were successfully grown by the multiampoule Bridgman method. All grown crystals are highly transparent, crack-free, and inclusion-free. The effects of Hf4+ codoping concentration on the optical and scintillation properties were studied. The gamma-ray energy resolutions of SrI2:Eu single crystals can be improved from 3.4% to 3.1% at 662 keV, and from 6.6% to 6.0% at 122 keV upon 0.05 at% Hf4+ codoping.
DOI10.1109/TNS.2020.2981680
WOS KeywordGROWTH
Language英语
WOS Research AreaEngineering ; Nuclear Science & Technology
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28004
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Wang, SH,Rutstrom, DJ,Stand, L,et al. Optical and Scintillation Properties of Hf4+ Codoped SrI2:Eu2+ Single Crystals[J]. IEEE TRANSACTIONS ON NUCLEAR SCIENCE,2020(6):876.
APA Wang, SH,Rutstrom, DJ,Stand, L,Koschan, M,Melcher, CL,&Wu, YT.(2020).Optical and Scintillation Properties of Hf4+ Codoped SrI2:Eu2+ Single Crystals.IEEE TRANSACTIONS ON NUCLEAR SCIENCE(6),876.
MLA Wang, SH,et al."Optical and Scintillation Properties of Hf4+ Codoped SrI2:Eu2+ Single Crystals".IEEE TRANSACTIONS ON NUCLEAR SCIENCE .6(2020):876.
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