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(Color online) C and O XPS spectra of as-grown (a) and -treated (b) MOCVD PZT.
(Color online) Evolution of Pb spectra during the Pt deposition. Formation of the metallic Pb is shown with the formation of a shoulder at the lower binding energy. Reoxidizing of the Pb is shown with the shoulder moving to higher binding energy, but not overlapping with the original peak.
(Color online) (a) Steady state leakage current density vs applied electric field measured with and without the HNO3 etching. (b) Polarization vs applied field (kV/cm) after square voltage cycling.
(Color online) (a) Remanent polarization and (b) inverse slope of the hysteresis loop at the coercive field for various preelectrode PZT surface treatments and two film PZT film thicknesses.
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