Hidden phases with neuromorphic responses and highly enhanced piezoelectricity in an antiferroelectric prototypeRemoveSergey Prosandeev, Sergei Prokhorenko, Yousra Nahas, Yali Yang, Changsong Xu, Julie Grollier, Diyar Talbayev, Brahim Dkhil, and L. BellaichePhys. Rev. B 105, L100101 (2022)