Luminescence characteristics of LuAG:Pr and YAG:Pr single crystalline films

被引：19

作者：

Gorbenko, V. ^{[1
]}

Krasnikov, A. ^{[2
]}

Nikl, M. ^{[3
]}

Zazubovich, S. ^{[2
]}

Zorenko, Yu. ^{[1
]}

机构：

[1] Ivan Franko Natl Univ Lviv, UA-79017 Lvov, Ukraine

[2] Univ Tartu, Inst Phys, EE-51014 Tartu, Estonia

[3] Inst Phys AS CR, Prague 16253, Czech Republic

来源：

OPTICAL MATERIALS | 2009年 / 31卷 / 12期

关键词：

Pr3+-doped garnets; Single crystalline films; Luminescence; Scintillators;

D O I：

10.1016/j.optmat.2008.11.030

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Emission and excitation spectra and luminescence decay kinetics were studied for Pr3+-doped Lu3Al5O12 and Y3Al5O12 single crystalline films (SCF) grown by the liquid phase epitaxy method from a PbO-based flux. The influence of lead-induced centers on their scintillation characteristics was clarified. It was found that the influence of single Pb2+-based centers on the characteristics of Pr3+ centers due to the Pb2+ -> Pr3+ energy transfer was weak. However, an overlap of the emission spectra of single and dimer lead-induced centers with the emission spectrum of Pr3+ ions, and especially a strong overlap of the 4f-5d, absorption band of Pr3+ ions with the slow emission of localized excitons in the 290 nm band had a considerable influence on the scintillation characteristics of the Pr3+-doped SCF. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：1805 / 1807

页数：3

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