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Figure 1
Schematic representation of the local arrangement of Ti atoms in the tetragonal perovskite BaTiO3 based on the single-crystal diffuse scattering work of Comès et al. (1970BB1) and RMC analysis of neutron PDF and electron diffraction data in Levin et al. (2014BB6). Blue Ti atoms within the TiO6 octahedra are displaced in 111 directions to produce three short (yellow) and three long (blue) Ti–O bonds.

IUCrJ
Volume 3| Part 1| January 2016| Pages 8-9
ISSN: 2052-2525
doi:10.1107/S2052252515024033