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29 March 2024
 
  » arxiv » cond-mat/0410403

 Article overview


Domain Size Dependence of Piezoelectric Properties of Ferroelectrics
Rajeev Ahluwalia ; Turab Lookman ; Avadh Saxena ; Wenwu Cao ;
Date 15 Oct 2004
Subject Materials Science | cond-mat.mtrl-sci
AbstractThe domain size dependence of piezoelectric properties of ferroelectrics is investigated using a continuum Ginzburg-Landau model that incorporates the long-range elastic and electrostatic interactions. Microstructures with desired domain sizes are created by quenching from the paraelectric phase by biasing the initial conditions. Three different two-dimensional microstructures with different sizes of the $90^{o}$ domains are simulated. An electric field is applied along the polar as well as non-polar directions and the piezoelectric response is simulated as a function of domain size for both cases. The simulations show that the piezoelectric coefficients are enhanced by reducing the domain size, consistent with recent experimental results of Wada and Tsurumi (Brit. Ceram. Trans. {f 103}, 93, 2004) on domain engineered $BaTiO_{3} $
Source arXiv, cond-mat/0410403
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