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Figure 10: X-ray diffuse scattering from as a function of temperature. The unit cell here is doubled relative to the parent perovskite cube. Note that the diffuse features at 300 K are very similar to those present in Figures 6 and 7, allowing that the indices here are doubled. Images taken with permission from [29] (http://hasyweb.desy.de/science/annual_reports/2007_report/part1/contrib/42/20848.pdf) and Figure 1 of [30] (http://link.aps.org/doi/10.1103/PhysRevB.79.224108). Copyright 2009 by the American Physical Society (see the following: Readers may view, browse, and/or download material for temporary copying purposes only, provided that these uses are for noncommercial personal purposes. Except as provided by law, this material may not be further reproduced, distributed, transmitted, modified, adapted, performed, displayed, published, or sold in whole or part, without prior written permission from the American Physical Society).