antiferroelectric crystal

antiferroelectric crystal

[¦an·tē‚fer·ō·i′lek·trik ′kris·təl] (solid-state physics) A crystalline substance characterized by a state of lower symmetry consisting of two interpenetrating sublattices with equal but opposite electric polarization, and a state of higher symmetry in which the sublattices are unpolarized and indistinguishable.