Answers are grounded in this paper and cite their sources.
The phase transitions in the antiphase domain boundaries of the improper ferroelectrics with the two-component order parameter (GMO-type) is studied. For the case when the bulk phase transition is of the second order, the phase diagram of antiphase-boundary states is obtained. There is a multicritical point on this diagram. The case when the bulk phase transition is of the first order and close to the tricritical point is discussed qualitatively.
No takes yet. Share an insight, caveat, or question.
Sonin et al. (1989) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: