DW on ferroelectrics

Dynamics of charged domain walls in ferroelectrics.
M. Y. Gureev, P. Mokrý, A. K. Tagantsev, and N. Setter
ArXiv 1201.6331 (2012)

Zig-zag wall in a parallel plate capacitor. The pressure acting on each segment leads to non-zero force acting on the wall (a).