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Quantitative Analysis of Displacement at 90° Domain Boundaries In BaTiO3 and PbTiO3
Published online by Cambridge University Press: 10 February 2011
Abstract
In this paper we discuss the measurement of long range displacement fields associated with 90° domain boundaries in the ferroelectric ceramics BaTiO3 and PbTiO3. We have calculated displacement fields from high resolution lattice images by two techniques: firstly, measuring the positions of peaks in the images, and secondly, using a geometric phase analysis technique to magnify small lattice distortions. We describe the results and consider the complementary use of Fresnel contrast analysis to characterize local strain and electric fields near the boundaries.
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- Copyright © Materials Research Society 1997
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