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Influence of co-doped alumina on the microstructure and radioluminescence of SrHfO3:Ce ceramics
Qian, K; Pan, YB; Hu, ZW; Chen, XP; Shi, Y; Liu, X; Chen, HH; Nikl, M; Li, J
2020-02-01
Source PublicationJOURNAL OF THE EUROPEAN CERAMIC SOCIETY
ISSN0955-2219
Issue2Pages:449
SubtypeArticle
AbstractSrHfO3:Ce and SrHfO3:Ce,Al powders were prepared by the solid-state synthesis using the commercial HfO2, SrCO3, CeO2 and alpha-Al2O3 as the starting materials. All the SrHfO3:Ce and SrHfO3:Ce,Al powders calcined at different temperatures within 1100 degrees C-1300 degrees C for 8 h in air exhibited a pure SrHfO3 phase. Meanwhile, the effects of different calcination temperatures and co-doped alumina on the microstructure of SrHfO3:Ce,Al powders were discussed. SrHfO3:Ce and SrHfO3:Ce,Al ceramics were successfully fabricated via the vacuum sintering at 1800 degrees C for 20 h. The alumina acted as the sintering aid, which promoted the densification and eliminated the intragranular pores of SrHfO3:Ce,Al ceramics. The charge disbalance was effectively compensated by co-doped alumina. SrHfO3:Ce,Al ceramics exhibited a higher light yield of 5700 ph/MeV compared with 4600 ph/MeV obtained in SrHfO3:Ce ceramics. The charge traps in ceramics and their effects on scintillation properties were also investigated by thermoluminescence measurement.
DOI10.1016/j.jeurceramsoc.2019.09.034
WOS KeywordSCINTILLATOR ; FABRICATION ; CE
Language英语
WOS Research AreaMaterials Science
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28353
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Qian, K,Pan, YB,Hu, ZW,et al. Influence of co-doped alumina on the microstructure and radioluminescence of SrHfO3:Ce ceramics[J]. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,2020(2):449.
APA Qian, K.,Pan, YB.,Hu, ZW.,Chen, XP.,Shi, Y.,...&Li, J.(2020).Influence of co-doped alumina on the microstructure and radioluminescence of SrHfO3:Ce ceramics.JOURNAL OF THE EUROPEAN CERAMIC SOCIETY(2),449.
MLA Qian, K,et al."Influence of co-doped alumina on the microstructure and radioluminescence of SrHfO3:Ce ceramics".JOURNAL OF THE EUROPEAN CERAMIC SOCIETY .2(2020):449.
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