Synthesis, optical spectra and radiative properties Of Sm2O3: PbO: P2O5 glass materials

被引：40

作者：

Sobczyk, Marcin ^{[1
]}

Starynowicz, Przemyslaw ^{[1
]}

Lisiecki, Radoslaw ^{[2
]}

Ryba-Romanowski, Witold ^{[2
]}

机构：

[1] Univ Wroclaw, Fac Chem, PL-50383 Wroclaw, Poland

[2] Polish Acad Sci, Inst Low Temp & Struct Res, PL-50385 Wroclaw, Poland

来源：

OPTICAL MATERIALS | 2008年 / 30卷 / 10期

关键词：

lead-phosphate glass; samarium; f-f intensity analysis; luminescence; quantum yield;

D O I：

10.1016/j.optmat.2007.10.011

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The paper presents the synthesis and spectroscopic properties of 46PbO:53P(2)O(5):Ln(2)O(3) glasses, where Ln = Sm or 0.1Sm + 0.9Gd. The glasses show intense luminescence dominated by the orange (4)G(5/2) -> H-6(7/2) transition. The luminescence branching ratios and quantum yields have been computed using the Judd-Ofelt analysis of relevant absorption spectra and the observed luminescence lifetimes; the maximum found quantum yield was 69%. The lifetimes and the quantum yields depended on the time of heating the samples at high temperature and on the samarium concentration. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：1571 / 1575

页数：5

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