Synthesis and study of IR luminescence of Ln2O2S:Yb (Ln = Y, La, Gd) under laser excitation

被引：0
|
作者：
A. N. Georgobiani
V. B. Gutan
O. Ya. Manashirov
机构：
[1] Russian Academy of Sciences,Lebedev Physical Institute
[2] North Caucasus State Technical University,undefined
来源：
Bulletin of the Lebedev Physics Institute | 2010年 / 37卷
关键词：
luminescence; IR excitation; rare-earth ions; phosphor; efficiency;
D O I：
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学科分类号：
摘要：
The ranges of the existence of solid solutions in binary systems Ln2O2S-Yb2O2S(Ln = Y, La, Gd) were found and main features of variations of Stokes IR luminescence intensity of Ln2O2S·Yb in the range of 0.96–1.1 µm were determined depending on the composition during IR excitation. Based on the established features, a new Y2O2S:Yb monospectral IR phosphor was developed, which, upon excitation by a 0.940-µm laser, is characterized by an increased Stokes IR luminescence intensity in the range of 0.96–1.1 µm in comparison with that of known commercial phosphor.
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页码：304 / 308
页数：4
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