XAFS at Eu-L-3 edge and UV-VUV excited luminescence of europium doped strontium borophosphate prepared in air

	XAFS at Eu-L-3 edge and UV-VUV excited luminescence of europium doped strontium borophosphate prepared in air
其他题名	论文其他题名
	Liang H. B.; Su Q.; Tao Y.; Hu T. D.; Liu T.; Shulin S. L. E.
	2002
发表期刊	Journal of Physics and Chemistry of Solids
ISSN	0022-3697
卷号	63 期号:5 页码:719-724
摘要	The local structure and the valences of europium in SrBPO5:Eu prepared in air were checked by means of XAFS at Eu-L-3 edge. From the EXAFS results, it was discovered that the doped europium atoms were nine-coordinated by oxygen atoms and the distances of bond Eu-O were 2.42 Angstrom in the host. From the XANES data, it was found that the divalent and trivalent europium coexisted in the matrix. The emission spectra excited by VUV or UV exhibited a prominent broad band due to the 4f(6)5d-4f(7) transition of Eu2+ ions, which indicated that the trivalent europium ions were reduced in air in the matrix at high temperature by the defects [V-Sr]" formed by aliovalent substitution between Sr2+ and Eu3+ ions. The VUV excitation spectra in 100-200 nm range showed that the matrix had absorption bands with the maxima at about 130 and 150 nm, respectively. (C) 2002 Elsevier Science Ltd. 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/181722/25191
专题	中科院长春光机所知识产出
推荐引用方式 GB/T 7714	Liang H. B.,Su Q.,Tao Y.,et al. XAFS at Eu-L-3 edge and UV-VUV excited luminescence of europium doped strontium borophosphate prepared in air[J]. Journal of Physics and Chemistry of Solids,2002,63(5):719-724.
APA	Liang H. B.,Su Q.,Tao Y.,Hu T. D.,Liu T.,&Shulin S. L. E..(2002).XAFS at Eu-L-3 edge and UV-VUV excited luminescence of europium doped strontium borophosphate prepared in air.Journal of Physics and Chemistry of Solids,63(5),719-724.
MLA	Liang H. B.,et al."XAFS at Eu-L-3 edge and UV-VUV excited luminescence of europium doped strontium borophosphate prepared in air".Journal of Physics and Chemistry of Solids 63.5(2002):719-724.

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