Influence of defects on scintillation properties of oxyorthosilicate crystals Ce:Sc:LFS

M. V. Belov; M. V. Zavertyaev; A. I. Zagumenniy; V. A. Kozlov; V. A. Kondratyuk; S. A. Kutovoi; N. V. Pestovskii; S. Yu. Savinov

doi:10.3103/S1068335617080048

Influence of defects on scintillation properties of oxyorthosilicate crystals Ce:Sc:LFS

作者: Belov M.V.¹, Zavertyaev M.V.¹, Zagumenniy A.I.², Kozlov V.A.¹, Kondratyuk V.A.¹, Kutovoi S.A.², Pestovskii N.V.¹, Savinov S.Y.¹
隶属关系:
1. Lebedev Physical Institute
2. Prokhorov General Physics Institute
期: 卷 44, 编号 8 (2017)
页面: 232-237
栏目: Article
URL: https://journals.rcsi.science/1068-3356/article/view/228428
DOI: https://doi.org/10.3103/S1068335617080048
ID: 228428

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New scintillation crystals Ce:Sc:Li:LFS and Ce:Sc:Ca:LFS based on lutetium oxyorthosilicate are grown. Optical characteristics and the decay time of new scintillators are studied. For Ce:Sc:Ca:LFS crystals, it is shown that oxygen vacancies dominate in the energy transfer in the matrix transmission range of 3.46–6.26 eV. It is found that the high density of oxygen vacancies at the lower part of the Ce:Sc:Ca:LFS crystal leads to a decrease in the scintillation time to 22–26 ns.