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Ferroelectrics Volume 222, 1999 - Issue 1
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IV. Theory and modeling

Modeling of domain walls in ferroelectric polymers

Mahdi Sanati Department of Physics, University of Cincinnati, Cincinnati, OH, 45221 E-mail: [email protected]; Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico, 87545, USA E-mail: [email protected]
&
A. Saxena Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico, 87545, USA E-mail: [email protected]
Pages 113-123 | Published online: 09 Mar 2011
 
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Abstract

We study domain wall formation and energetics in ferroelectric polymers and copolymers by augmenting the Landau-Devonshire free energy with a polarization gradient term. We estimate the value of gradient coefficient from the optical data and investigate the temperature dependence of domain wall width and formation energy for the four types of possible ferroelectric-ferroelectric and ferroelectric-paraelectric domain walls.

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