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Ian MacLaren, Rafael Villaurrutia, Bernhard Schaffer, Lothar Houben and Aimé Peláiz-Barranco Atomic-Scale Imaging and Quantification of Electrical Polarisation in Incommensurate Antiferroelectric Lanthanum-Doped Lead Zirconate Titanate Advanced Functional Materials 22

Version of Record online: 8 NOV 2011 | DOI: 10.1002/adfm.201101220

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The structure of two stacking sequences in incommensurate antiferroelectric (Pb,La)(Zr,Ti)O3 is determined using quantitative scanning transmission electron microscopy, with the lead atom positions located with an outstanding precision of about 6 pm. This allows for the estimation of local polarisation, and this is found to vary in an approximately sinusoidal fashion along the stacking direction with peak values matching exceptionally well to reported values for commensurate PbZrO3.

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