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Dean S. Keeble, Emma R. Barney, David A. Keen, Matthew G. Tucker, Jens Kreisel and Pam A. Thomas Bifurcated Polarization Rotation in Bismuth-Based Piezoelectrics Advanced Functional Materials 23

Version of Record online: 22 AUG 2012 | DOI: 10.1002/adfm.201201564

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Pair distrubution function analysis of the lead-free piezoelectric Na1/2Bi1/2TiO3 is used to reveal the thermal evolution of the cations' local environment. In particular, a “bifurcated” polarization rotation of the bismuth cations is observed, essentially convoluting previous suggestions of (singular) polarization rotation and of phase coexistence.

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