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Figure 2
(a) Experimental phase image of a (110) twin boundary in orthorhombic CaTiO3. Mean displacements of the Ti atomic columns from the centre of the four neighbouring Ca atomic columns are indicated by green arrows. (b) and (c) Displacements of Ti atomic columns perpendicular and parallel to the twin wall, averaged along and in mirror operation with respect to the twin wall, together with their 90% confidence intervals. Reproduced from Van Aert et al. (2012BB102), copyright 2011 John Wiley and Sons.

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