Fig. 5: Calculated structures of domain walls and phase boundaries in CuInP2Se6.
From: Piezoelectric domain walls in van der Waals antiferroelectric CuInP2Se6
a Ferrielectric domain wall (FE/FE). b Three kinds of antiferroelectric/ferroelectric boundaries, respectively AFE1/FE (b), AFE2/FE (c) and AFE3/FE (d). e Corresponding boundary and wall energies. FE stands for ferrielectric and AFE for antiferroelectric order.
