Synthesis and photoluminescence properties of Sm3+-doped LaMgB5O10 and GdMgB5O10

被引：51

作者：

Sakirzanovas, Simas ^{[1
,2
]}

Katelnikovas, Arturas ^{[1
,2
]}

Bettentrup, Helga ^{[2
]}

Kareiva, Aivaras ^{[1
]}

Juestel, Thomas ^{[2
]}

机构：

[1] Vilnius State Univ, Dept Gen & Inorgan Chem, LT-03225 Vilnius, Lithuania

[2] Univ Appl Sci Munster, Dept Chem Engn, D-48565 Steinfurt, Germany

来源：

JOURNAL OF LUMINESCENCE | 2011年 / 131卷 / 07期

关键词：

Sm3+ luminescence; Time dependent luminescence; Energy transfer; Lanthanide magnesium meta borates; SM3+ IONS; ENERGY; LUMINESCENCE; PHOSPHOR; GLASSES; CRYSTAL; EU3+;

D O I：

10.1016/j.jlumin.2011.02.005

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Luminescence and reflection spectra as well as luminescence kinetics of the 1 mol% Sm3+-doped crystalline lanthanum magnesium meta borate (LaMgB5O10) and gadolinium magnesium meta borate (GdMgB5O10) were analyzed. Materials were synthesized by conventional solid state route and showed bright orange-red emission under UV excitation. Emission spectra contain sharp and well resolved Sm3+ (4)G(5/2)-> H-6(J) transitions indicating a strong crystal-field effect. In case of gadolinium compound energy transfer between Gd3+ and Sm3+ was detected. The luminescent kinetics of the Sm3+ in analyzed powders is characterized by single exponential decay and experimental values vary in the range 2.2-2.4 ms. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：1525 / 1529

页数：5

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