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Data analysis method to achieve sub-10 pm spatial resolution using extended X-ray absorption fine-structure spectroscopy
Du, YH; Wang JO(王嘉鸥); Wang, JO; Jiang, LH; Borgna, LS; Wang, YF; Zheng, Y; Hu, TD;胡天斗
2014
发表期刊JOURNAL OF SYNCHROTRON RADIATION
卷号21期号:4页码:756-761
摘要Obtaining sub-10 pm spatial resolution by extended X-ray absorption fine structure (EXAFS) spectroscopy is required in many important fields of research, such as lattice distortion studies in colossal magnetic resistance materials, high-temperature superconductivity materials etc. However, based on the existing EXAFS data analysis methods, EXAFS has a spatial resolution limit of pi/2 Delta k which is larger than 0.1 angstrom. In this paper a new data analysis method which can easily achieve sub-10 pm resolution is introduced. Theoretically, the resolution limit of the method is three times better than that normally available. The method is examined by numerical simulation and experimental data. As a demonstration, the LaFe1-xCrxO3 system (x = 0, 1/3, 2/3) is studied and the structural information of FeO6 octahedral distortion as a function of Cr doping is resolved directly from EXAFS, where a resolution better than 0.074 angstrom is achieved.
关键词EXAFS spatial resolution atom distribution function
学科领域Instruments & Instrumentation; Optics; Physics
DOI10.1107/S1600577514010406
收录类别SCI
WOS记录号WOS:000338124300015
引用统计
被引频次:6[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/311005/225170
专题多学科研究中心
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GB/T 7714
Du, YH,Wang JO,Wang, JO,et al. Data analysis method to achieve sub-10 pm spatial resolution using extended X-ray absorption fine-structure spectroscopy[J]. JOURNAL OF SYNCHROTRON RADIATION,2014,21(4):756-761.
APA Du, YH.,王嘉鸥.,Wang, JO.,Jiang, LH.,Borgna, LS.,...&Hu, TD;胡天斗.(2014).Data analysis method to achieve sub-10 pm spatial resolution using extended X-ray absorption fine-structure spectroscopy.JOURNAL OF SYNCHROTRON RADIATION,21(4),756-761.
MLA Du, YH,et al."Data analysis method to achieve sub-10 pm spatial resolution using extended X-ray absorption fine-structure spectroscopy".JOURNAL OF SYNCHROTRON RADIATION 21.4(2014):756-761.
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