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

By Peter J. Chupas, X. Qiu, J. Hanson, P. Lee, C. Grey, Simon J. L. Billinge. 2003

456 citations recorded by the source corpus.

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 A−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.

Subfields: Electronic, Optical and Magnetic Materials, Geophysics, Materials Chemistry

View Paper: https://www.semanticscholar.org/paper/38642f13e13137137a9df3905e34bb522f6dd692

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In Electronic, Optical and Magnetic Materials

In Geophysics

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In Materials Chemistry

Citations in the corpus

A versatile sample‐environment cell for non‐ambient X‐ray scattering experiments (2008, methodology): “Accordingly, the cell is compatible with experiments using area detectors (Chupas et al., 2003), including those requiring good solid-angle coverage to optimize the signal-tonoise ratio [e.g. pair distribution function (PDF) measurements and time-resolved studies], as well as high-resolution powder…”
Applications of an amorphous silicon-based area detector for high-resolution, high-sensitivity and fast time-resolved pair distribution function measurements (2007, background): “…over the traditional scanning approach, based on point-by-point detection, by combining high-energy X-rays (> 60 keV) with imaging plate (IP) area detectors to measure simultaneously the scattered intensity to moderately high values of momentum transfer (Qmax ’ 20–25 Å 1)1 (Chupas et al., 2003).”
X-ray scattering characterisation of nanoparticles (2015, methodology): “[188,252] Recently, amorphous Si detectors have become available which can allow rapid PDF data collection with measurements approaching real time.[259] PDF analysis can also be performed using neutron scattering, which has advantages in measuring light elements due to”
PDFgetX3: a rapid and highly automatable program for processing powder diffraction data into total scattering pair distribution functions (2012, methodology): “All data sets except the γ-Al2O3 were collected at high-energy synchrotron instruments using the rapid acquisition PDF mode (RAPDF) (Chupas et al., 2003) where data are collected on a 2D detector and azimuthally integrated to obtain 1D datasets, however, the synchrotron is not a requirement.”
Design of active and stable Co-Mo-Sx chalcogels as pH-universal catalysts for the hydrogen evolution reaction. (2016, unknown): “The rapid acquisition pair distribution function (RA-PDF) technique [S6] was used to collect diffraction patterns at room temperature on powder samples of each chalcogel.”