A fundamental self-generated quenching center for lanthanide-doped high-purity solids

被引：136

作者：

Auzel, F ^{[1
]}

机构：

[1] CNRS, GOTR, UMR 7574, F-92195 Meudon, France

来源：

JOURNAL OF LUMINESCENCE | 2002年 / 100卷 / 1-4期

关键词：

self-quenching; intrinsic quenching center; multiphonon energy transfer; cluster;

D O I：

10.1016/S0022-2313(02)00457-X

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An intrinsic self-generated quenching center for lanthanide-doped high-purity solids is presented for transitions, which cannot be quenched by cross-relaxation. This center, in fact a cluster-like pair of active centers, is shown to come from a particular multiphonon-assisted energy transfer between them. Being due to the vibronic properties of the host it cannot be suppressed. Its role in lanthanide first excited states self-quenching is analyzed and a simple mathematical expression is derived. This law is compared with experimental results for self-quenching in Er-doped fluorophosphate glasses. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：125 / 130

页数：6

共 16 条

[1] AN EXAMPLE OF CONCENTRATION SENSITIVE ELECTRON-PHONON COUPLING IN [(C4H9)4N]3EUXY1-X(NCS)6 AND A NEW HYPOTHESIS FOR SELF-QUENCHING [J].