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Hye Jung Chang, Sergei V. Kalinin, Anna N. Morozovska, Mark Huijben, Ying-Hao Chu, Pu Yu, Ramamoorthy Ramesh, Evgeny A. Eliseev, George S. Svechnikov, Stephen J. Pennycook and Albina Y. Borisevich Atomically Resolved Mapping of Polarization and Electric Fields Across Ferroelectric/Oxide Interfaces by Z-contrast Imaging Advanced Materials 23

Version of Record online: 29 APR 2011 | DOI: 10.1002/adma.201004641

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Direct atomic displacement mapping at ferroelectric interfaces by aberration corrected scanning transmission electron microscopy(STEM) (a-STEM image, b-corresponding displacement profile) is combined with Landau-Ginsburg-Devonshire theory to obtain the complete interface electrostatics in real space, including separate estimates for the polarization and intrinsic interface charge contributions.

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