The study on properties of Eu-doped fluorogallate glasses

Thermal and optical properties of europium ions doped fluorogallate glasses, 20GaF3-15InF3-20CdF2-15ZnF2-(20-x)PbF2-10SnF2-xEuF3 (xEu-GICZPS), are studied and the Judd-Oflet (J-O) intensity parameters Omegalambda are calculated by different means. The results indicate that the Eu-GICZPS glass has th...

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Published in:Journal of alloys and compounds 2008-04, Vol.453 (1-2), p.487-492
Main Authors: Tang, Gao, Zhu, Jiqian, Zhu, Yumei, Bai, Chaoyin
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creator Tang, Gao
Zhu, Jiqian
Zhu, Yumei
Bai, Chaoyin
description Thermal and optical properties of europium ions doped fluorogallate glasses, 20GaF3-15InF3-20CdF2-15ZnF2-(20-x)PbF2-10SnF2-xEuF3 (xEu-GICZPS), are studied and the Judd-Oflet (J-O) intensity parameters Omegalambda are calculated by different means. The results indicate that the Eu-GICZPS glass has the best stability when molar fraction 1.0% EuF3 was added in glass; the site symmetry of the ligand field at Eu3+ is higher and covalence of GICZPS glasses is lower than oxide glasses. Compared with the experimental and calculated lifetime of Eu3+ 5D0 level, the J-O intensity parameters Omegalambda obtained from emission spectrum are more reliable than other approaches.
doi_str_mv 10.1016/j.jallcom.2006.11.170
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The results indicate that the Eu-GICZPS glass has the best stability when molar fraction 1.0% EuF3 was added in glass; the site symmetry of the ligand field at Eu3+ is higher and covalence of GICZPS glasses is lower than oxide glasses. 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