Photoacoustic spectroscopy of YAG crystals doped with Ce

被引：32

作者：

Grinberg, M

Sikorska, A

Kaczmarek, S

机构：

[1] Univ Gdansk, Inst Expt Phys, PL-80952 Gdansk, Poland

[2] Mil Univ Technol, Inst Optoelect, PL-00908 Warsaw, Poland

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2000年 / 300卷

关键词：

insulators; electron-phonon interaction; optical properties; luminescence; photoacoustic effect;

D O I：

10.1016/S0925-8388(99)00716-1

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The absorption, luminescence and photoacoustic spectra of YAG:Ce3+ have been measured and analysed. Considering the photoacoustic and absorption spectra one has shown a decrease of the quantum efficiency of the Ce3+ below 90% when luminescence is excited in the UV region. Simulation of the kinetics of nonradiative processes in the excited states of Ce3+ and hot luminescence has been performed. The Jahn-Teller type coupling in the excited states of Ce3+ has been evidenced. (C) 2000 Elsevier Science S.A. All rights reserved.

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收藏

页码：158 / 164

页数：7

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