Rapid Acquisition Pair Distribution Function (RA-PDF) Analysis

Details Rapid Acquisition Pair Distribution Function (RA-PDF) Analysis Rapid Acquisition Pair Distribution Function (RA-PDF) Analysis

2003-04-28

arxiv.org/abs/cond-mat/0304638v1

Physics

Condensed Matter

5 pages, 4 figures, submitted to J. Appl. Cryst

Scientific paper

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 $\leq 28.5$ \RAA from crystalline materials. Materials with different structural complexities were measured to test the validity of the quantitative data analysis. Experimental results are presented here for crystalline Ni, crystalline \alf, and the layered Aurivillius type oxides \bivo and \bivtio . 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.

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