Energy transfer from the host excitations to Ce3+ ions in

被引：19
|
作者：
Fefilov, S. P. [1 ]
Zhou, Y.
Jeong, J. Y.
Keszler, D. A.
Meltzer, R. S.
机构：
[1] AF Ioffe Phys Tech Inst, St Petersburg 194021, Russia
[2] Univ Georgia, Dept Phys & Astron, Athens, GA 30602 USA
[3] Oregon State Univ, Dept Chem, Corvallis, OR 97331 USA
来源：
JOURNAL OF LUMINESCENCE | 2007年 / 125卷 / 1-2期
基金：
美国国家科学基金会;
关键词：
energy transfer; impurity ions; self-trapped excitons; electronic excitations; fluorescence;
D O I：
10.1016/j.jlumin.2006.08.048
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Efficient energy transfer from the host excitations (self-trapped excitons, STE) excited at lambda similar to 160nm to Ce3+ impurity ions was observed in scandium borate (ScBO3), The luminescence and excitation spectra as well as time-resolved emission data were obtained. Energy transfer rates from the STE to Ce3+ of about 108 s(-1) are observed and these are within an order of magnitude of estimates based on dipole-dipole energy transfer. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：80 / 84
页数：5
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