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Local structure and luminescence of nanocrystalline Y2O3 : Eu
Qi, ZM; Shi, CS; Zhang, WW; Zhang, WP; Hu, TD; Hu TD(胡天斗)
2002
发表期刊APPLIED PHYSICS LETTERS
卷号81期号:15页码:2857-2859
通讯作者Univ Sci & Technol, Natl Synchrotron Radiat Lab, Hefei 230029, Anhui, Peoples R China ; Univ Sci & Technol, Struct Res Lab, Hefei 230029, Anhui, Peoples R China ; Univ Sci & Technol, Dept Phys, Hefei 230029, Anhui, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China
摘要Nanosized Y2O3:Eu was synthesized by using a solution-combustion method. The samples were characterized by x-ray diffraction, extended x-ray absorption fine structure (EXAFS), and photoluminescence spectroscopy. Our EXAFS result showed that the local environments surrounding both Y and Eu atoms had obviously changed when the particle size was smaller than 10 nm. The coordination number and the bond length of Y (Eu)-O shell increased and the disorder became larger. This change also produced an emission peak and the charge-transfer band showed an unusual redshift as the particle size decreased. The luminescence properties can be explained by use of the EXAFS results. (C) 2002 American Institute of Physics.
文章类型Article
学科领域Physics
研究领域[WOS]Physics
DOI10.1063/1.1513659
URL查看原文
语种英语
WOS类目Physics, Applied
WOS记录号WOS:000178318400061
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被引频次:114[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/311005/239831
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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Qi, ZM,Shi, CS,Zhang, WW,et al. Local structure and luminescence of nanocrystalline Y2O3 : Eu[J]. APPLIED PHYSICS LETTERS,2002,81(15):2857-2859.
APA Qi, ZM,Shi, CS,Zhang, WW,Zhang, WP,Hu, TD,&胡天斗.(2002).Local structure and luminescence of nanocrystalline Y2O3 : Eu.APPLIED PHYSICS LETTERS,81(15),2857-2859.
MLA Qi, ZM,et al."Local structure and luminescence of nanocrystalline Y2O3 : Eu".APPLIED PHYSICS LETTERS 81.15(2002):2857-2859.
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