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Eu3+-activated B2O3-GeO2-RE2O3 (RE = Y3+, La3+ and Gd3+) borogermanate scintillating glasses
Sun, XY; Jiang, DG; Sun, YZ; Zhang, X; Hu, QL; Huang, Y; Tao, Y;黄艳; Tao Y(陶冶)
2014
发表期刊JOURNAL OF NON-CRYSTALLINE SOLIDS
卷号389页码:72-77
摘要Borogermanate scintillating glasses with composition of 25B(2)O(3)-40GeO(2)-2Eu(2)O(3)-33RE(2)O(3) (RE = Y, La and Gd) were synthesized by melt-quenching method. The effect of RE2O3 on the glass structure and performance including the density, transmittance as well as luminescent properties under both ultraviolet (UV) and X-ray excitation were compared and studied systematically. The enhanced intensity of Eu3+ emission under X-ray excitation is remarkably higher than that under UV excitation. The temperature-dependent emission spectra in the 75-295 K temperature region reveal that the thermal quenching behavior of Eu3+ luminescence in Y2O3-based glass is slightly better than that in La2O3- or Gd2O3-based one. The covalency property of Eu-O bond and the local environment of Eu3+ ions is evaluated by the values of a parameter by employing the Judd-Ofelt analysis. The possible interconnection among the covalency nature of Eu-O bond, the thermal quenching behavior of Eu3+ emission, and the thermal stability of the designed borogermanate scintillating is also discussed. (c) 2014 Elsevier B.V. All rights reserved.
关键词Eu3+-activated borogermanate glasses Photoluminescence X-ray excited luminescence Judd-Ofelt analysis
学科领域Materials Science
DOI10.1016/j.jnoncrysol.2014.01.042
收录类别SCI
WOS记录号WOS:000335632500012
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225129
专题多学科研究中心
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GB/T 7714
Sun, XY,Jiang, DG,Sun, YZ,et al. Eu3+-activated B2O3-GeO2-RE2O3 (RE = Y3+, La3+ and Gd3+) borogermanate scintillating glasses[J]. JOURNAL OF NON-CRYSTALLINE SOLIDS,2014,389:72-77.
APA Sun, XY.,Jiang, DG.,Sun, YZ.,Zhang, X.,Hu, QL.,...&陶冶.(2014).Eu3+-activated B2O3-GeO2-RE2O3 (RE = Y3+, La3+ and Gd3+) borogermanate scintillating glasses.JOURNAL OF NON-CRYSTALLINE SOLIDS,389,72-77.
MLA Sun, XY,et al."Eu3+-activated B2O3-GeO2-RE2O3 (RE = Y3+, La3+ and Gd3+) borogermanate scintillating glasses".JOURNAL OF NON-CRYSTALLINE SOLIDS 389(2014):72-77.
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