Evidence for the monoclinic-tetragonal phase coexistence in Pb(Zr(0.53)Ti(0.47))O(3) thin films
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Iop Publishing Ltd
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Abstract
The structure and ferroelectric properties of PbZr(0.53)Ti(0.47)O(3) thin films were investigated in detail by using the x-ray diffraction technique. The surface morphology of the film was studied by using the atomic force microscopy technique, showing a film with a dense morphology and a smooth surface. Based on recent results reported by Pandey et al (2008 Acta Crystallogr. A 64 192), Rietveld refinements of the structure were conducted considering different models proposed in the literature. Results suggested the monoclinic and tetragonal (M + T) phase coexistence, with P4mm and Cm space groups, respectively. The monoclinic phase (68 mol%) is dominant over the tetragonal phase (32 mol%) for this PZT film composition.
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English
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Journal of Physics-condensed Matter. Bristol: Iop Publishing Ltd, v. 20, n. 41, p. 5, 2008.
