Temperature dependence of the structure and energy of domain walls in a first-order ferroelectric

M. Foeth, P. Stadelmann and M. Robert

Physica A: Statistical Mechanics and its Applications, 2007, vol. 373, issue C, 439-444

Abstract: The structure and energy of domain walls of the first-order ferroelectric lead titanate PbTiO3 are determined as a function of temperature using quantitative weak-beam transmission electron microscopy, from room temperature up to the Curie temperature Tc=765K. The thickness of the domain walls increases from 2.8 to 10nm, while the energy decreases from 53 to 7mJm-2. These results are analyzed in terms of the Landau–Devonshire theory.

Keywords: Domain walls; Ferroelectrics (search for similar items in EconPapers)
Date: 2007
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:373:y:2007:i:c:p:439-444

DOI: 10.1016/j.physa.2006.05.042

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