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Figure 2
Scale factor weighting functions used in the weighted parametric Rietveld refinement. These inverse tan functions have been tailored such that they act as a switch between 1 and 0, with parameters that can be refined for a particular phase transition. The parameter b corresponds to the phase boundary composition, whereas c is related to the phase boundary width, where co-existence of two crystal symmetries may occur; this is indicated by the shaded orange region.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 26| Part 5| September 2019| Pages 1638-1643
https://doi.org/10.1107/S1600577519007902
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