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Figure 1
(a) Schematic structures of the LAO/BTO (A = Fe, Mn and Cr) superstructures. The arrows denote the directions of ferroelectric polarization. (b) The average local out-of-plane displacements between anions and cations for the −P case. (c) The average local out-of-plane displacements between anions and cations for the +P case.

IUCrJ
Volume 6| Part 2| March 2019| Pages 189-196
ISSN: 2052-2525
https://doi.org/10.1107/S205225251801624X