Rapid-acquisition pair distribution function (RA-PDF) analysis

An image‐plate (IP) detector coupled with high‐energy synchrotron radiation was used for atomic pair distribution function (PDF) analysis, with high probed momentum transfer Qmax≤ 28.5 Å−1, from crystalline materials. Materials with different structural complexities were measured to test the validit...

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Bibliographic Details
Published in:Journal of applied crystallography 2003-12, Vol.36 (6), p.1342-1347
Main Authors: Chupas, Peter J., Qiu, Xiangyun, Hanson, Jonathan C., Lee, Peter L., Grey, Clare P., Billinge, Simon J. L.
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Crystalline state (including molecular motions in solids)
Exact sciences and technology
image-plate detectors
Physics
Structure of solids and liquids
crystallography
Theory of crystal structure, crystal symmetry
calculations and modeling
X-ray pair distribution functions
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Summary:An image‐plate (IP) detector coupled with high‐energy synchrotron radiation was used for atomic pair distribution function (PDF) analysis, with high probed momentum transfer Qmax≤ 28.5 Å−1, from crystalline materials. Materials with different structural complexities were measured to test the validity of the quantitative data analysis. Experimental results are presented for crystalline Ni, crystalline α‐AlF3, and the layered Aurivillius type oxides α‐Bi4V2O11 and γ‐Bi4V1.7Ti0.3O10.85. Overall, the diffraction patterns show good counting statistics, with measuring time from one to tens of seconds. The PDFs obtained are of high quality. Structures may be refined from these PDFs, and the structural models are consistent with the published literature. Data sets from similar samples are highly reproducible.
ISSN:1600-5767
0021-8898
1600-5767
DOI:10.1107/S0021889803017564