3NEILSON F W. Antiferroelectric voltage regulation[P]. U.S. Patent: 3569822, 1971.
4PAN W Y, GU W Y, CROSS L E. Transition speed on switching from a field-induced ferroelectric to an antiferroelectric upon the release of the applied electric filed in (Pb, La) (Zr, Ti, Sn) O3 antiferroele-ctric ceramics [J]. Ferroelectrics, 1989,99: 185-194.
