Trapping processes of 5d electrons in Ce3+ doped SrAl2O4

	Trapping processes of 5d electrons in Ce3+ doped SrAl2O4
其他题名	论文其他题名
	Jia D. D.; Wang X. J.; Jia W.; Yen W. M.
	2007
发表期刊	Journal of Luminescence
ISSN	0022-2313
卷号	122 页码:311-314
摘要	Ce-3 divided by -doped SrAl2O4 single-crystal fibers have been prepared by laser-heated pedestal growth method. A broad emission band peaking at 385 nm and originating from the Ce3+ 5d-4f transition is observed with excitations at 340, 320, 29 1, and 259 nm, which correspond to the crystal field splitting components of the Ce3+ 5d states in SrAl2O4. The emission shows strong persistence for longer than 10 h after UV radiation at 254 nm from mercury lamp. Trapping dynamics of 5d electrons of Ce3+ in SrAl2O4 host is studied. The electron traps at 0.75 eV are found to be responsible for the long persistent phosphorescence. Excitation-dependent thermoluminescence spectra are also recorded and analyzed. The lowest 5d state of Ce3+ in SrAl2O4 is found to be about 0.1 eV below the host conduction band. (c) 2006 Elsevier B.V. All rights reserved.
收录类别	SCI
语种	英语
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/24909
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Jia D. D.,Wang X. J.,Jia W.,et al. Trapping processes of 5d electrons in Ce3+ doped SrAl2O4[J]. Journal of Luminescence,2007,122:311-314.
APA	Jia D. D.,Wang X. J.,Jia W.,&Yen W. M..(2007).Trapping processes of 5d electrons in Ce3+ doped SrAl2O4.Journal of Luminescence,122,311-314.
MLA	Jia D. D.,et al."Trapping processes of 5d electrons in Ce3+ doped SrAl2O4".Journal of Luminescence 122(2007):311-314.

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