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XAFS at Eu-L-3 edge and UV-VUV excited luminescence of europium doped strontium borophosphate prepared in air
Liang, HB; Su, Q; Tao Y(陶冶); Hu TD(胡天斗); Liu T(刘涛); Tao, Y; Hu, TD; Liu, T; Shulin, SLE
2002
发表期刊JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS
卷号63期号:5页码:719-724
通讯作者Chinese Acad Sci, Changchun Inst Appl Chem, Lab Rare Earth Chem & Phys, Changchun 130022, Peoples R China ; Zhongshan Univ, Sch Chem & Chem Engn, Guangzhou 510275, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Lab Beijing Synchrotron Radiat, Beijing 100039, Peoples R China ; Chinese Acad Sci, Changchun Inst Fine Machines & Phys, Lab Excited State Proc, Changchun 130021, Peoples R China
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.
文章类型Article
关键词luminescence XAFS (EXAFS and XANES)
学科领域Chemistry; Physics
DOI10.1016/S0022-3697(01)00203-7
研究领域[WOS]Chemistry ; Physics
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语种英语
WOS类目Chemistry, Multidisciplinary ; Physics, Condensed Matter
WOS记录号WOS:000174681000001
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被引频次:19[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/238344
专题多学科研究中心
作者单位中国科学院高能物理研究所
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Liang, HB,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, HB.,Su, Q.,陶冶.,胡天斗.,刘涛.,...&Shulin, SLE.(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, HB,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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