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Figure 1
(a) Diffuse scattering in Q-space from equal concentrations of two different atomic species with differing ionic radius occupying random sites on a square lattice. (b) 3D-ΔPDF map in real space showing peaks with both positive (red) and negative (blue) intensities representing the change in the probabilities of their respective interatomic vectors compared to the average structure. The 3D-ΔPDF transforms reveal both the size of the local relaxations and the length scale over which those relaxations are correlated (P. Upreti, private communication).

Journal logoSTRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS
ISSN: 2052-5206
Volume 79| Part 2| April 2023| Pages 99-100
https://doi.org/10.1107/S2052520623002688
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