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19 April 2024

» arxiv » 1204.5878

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Structural heterogeneity and diffuse scattering in morphotropic lead zirconate-titanate single crystals
R. G. Burkovsky ; Yu. A. Bronwald ; A. V. Filimonov ; A. I. Rudskoy ; D. Chernyshov ; A. Bosak ; J. Hlinka ; X. Long ; Z.-G. Ye ; S. B. Vakhrushev ;
Date:	26 Apr 2012
Abstract:	Complementary diffuse and inelastic synchrotron X-ray scattering measurements of lead zirconate-titanate single crystals with composition near the morphotropic phase boundary (x=0.475) are reported. In the temperature range 293 K < T < 400 K a highly anisotropic quasielastic diffuse scattering is observed. Above 400 K this scattering disappears. Its main features can be reproduced by model of inhomogeneous lattice deformations caused by inclusions of a tetragonal phase into a rhombohedral or monoclinic phase. This observation supports the idea that PZT at its morphotropic phase boundary is essentially structurally inhomogeneous.
Source:	arXiv, 1204.5878
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