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James M. Rondinelli and Craig J. Fennie Octahedral Rotation-Induced Ferroelectricity in Cation Ordered Perovskites Advanced Materials 24

Version of Record online: 10 APR 2012 | DOI: 10.1002/adma.201104674

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Electronic structure calculations based on density functional theory have uncovered a novel mechanism for inducing ferroelectric polarizations in cation ordered perovskites. We outline a materials selection strategy for designing this behavior. The guidelines are based on the octahedral rotations found in the two constituent oxides and the way the perovskite building blocks are interwoven to form the superlattice.

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