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(Color online) The experimental reduced pair distribution function G(r) (open circles) for GeTe at 300 K is shown along with the best fit using the model described in the text. The thin curve at the bottom of the figure represents the fit residuals.
(Color online) The fraction of motif B is shown as a function of temperature. Motif B represents the structural disorder resulting in the average symmetry to change to cubic over the length scales probed by BD. The straight line indicates a fit of the data to a power law.
(Color online) Plot of the long (circles) and the short (triangles) bond lengths as determined by the fitting of the experimental G(r) data. For comparison, long (filled squares) and short (open circles) bond lengths as determined by x-ray absorption spectroscopy are also shown.8
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