Renuka Balakrishna A, Huber JE, Muench I.
Physical Review B 93(17), 174120. (2016)
We investigate the stability and evolution of periodic domain patterns in the form of multirank laminates in ferroelectrics. In contrast to previous findings using a linear, constrained theory, we find that these laminates are unstable at the nanoscale because of significant domain-wall energy.