Spontaneous and Stimulated Red Luminescence of Lu2O3:Eu Nanocrystals

被引：7

作者：

Gruzintsev, A. N. ^{[1
]}

Emel'chenko, G. A. ^{[2
]}

Yermolayeva, Yu. V. ^{[3
]}

Masalov, V. M. ^{[2
]}

Tolmachev, A. V. ^{[3
]}

Benalloul, P. ^{[4
]}

Barthou, C. ^{[4
]}

机构：

[1] Russian Acad Sci, Inst Microelect Technol & High Pur Mat, Chernogolovka 142432, Moscow Oblast, Russia

[2] Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Moscow Oblast, Russia

[3] Natl Acad Sci Ukraine, State Sci Inst, Inst Single Crystals, UA-61178 Kharkov, Ukraine

[4] Univ Paris 06, CNRS, Inst NanoSci Paris, Unite Mixte Rech UMR 7588, F-75015 Paris, France

来源：

PHYSICS OF THE SOLID STATE | 2011年 / 53卷 / 06期

基金：

俄罗斯基础研究基金会;

关键词：

PHOTOLUMINESCENCE; IONS;

D O I：

10.1134/S1063783411060126

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The spectra of spontaneous and stimulated luminescence of Lu2O3 : Eu (7 at %) nanopowders at different optical pumping intensities have been investigated. The obtained results-changes in the shape of the red luminescence spectra and in the lifetime of the D-5(0) excited state of Eu3+ ions-indicate the onset of superluminescence with an increase in the excitation power. It has been found that an increase in the optical pumping intensity leads to a decrease in the luminescence decay time of the Lu2O3 : Eu (7 at %) phosphor in the stimulated luminescence regime and to an increase in the quantum efficiency of red luminescence with a maximum at 611 nm.

引用

页码：1263 / 1268

页数：6

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