Structural depth profile and nanoscale piezoelectric properties of randomly oriented Pb(Zr0.50Ti0.50)O-3 thin films
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Iop Publishing Ltd
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The structural properties of Pb(Zr0.50Ti0.50)O-3 thin films with no preferential orientation were studied throughout the film thickness. An analysis on depth profile shows the existence of a significant (1 0 0) alignment near the film-electrode interface. Nanoscale piezoelectric measurements demonstrate the existence of a self-polarization effect in the studied films. An increase in this effect with film thickness increasing from 200 to 710 nm suggests that Schottky barriers and/or mechanical coupling near the film-electrode interface cannot be the main mechanisms responsible for the self-polarization effect in the studied films.
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Journal of Physics D-applied Physics. Bristol: Iop Publishing Ltd, v. 45, n. 21, p. 6, 2012.
