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Issue 96, 2016
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Time-resolved in situ powder X-ray diffraction reveals the mechanisms of molten salt synthesis

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Abstract

We report the first use of high-energy monochromatic in situ X-ray powder diffraction to gain unprecedented insights into the chemical processes occurring during high temperature, lab-scale metal oxide syntheses. During the flux synthesis of the n = 4 Aurivillius phase, Bi5Ti3Fe0.5Cr0.5O15 at 950 °C in molten Na2SO4 we observe the progression of numerous metastable phases. Using sequential multiphase Rietveld refinement of the time-dependent in situ XRD data, we are able to obtain mechanistic understanding of this reaction under a range of conditions.

Graphical abstract: Time-resolved in situ powder X-ray diffraction reveals the mechanisms of molten salt synthesis

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Publication details

The article was received on 11 Oct 2016, accepted on 01 Nov 2016 and first published on 01 Nov 2016


Article type: Communication
DOI: 10.1039/C6CC08133A
Citation: Chem. Commun., 2016,52, 13865-13868
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    Time-resolved in situ powder X-ray diffraction reveals the mechanisms of molten salt synthesis

    S. J. Moorhouse, Y. Wu, H. C. Buckley and D. O'Hare, Chem. Commun., 2016, 52, 13865
    DOI: 10.1039/C6CC08133A

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