Tetragonal Distortion of a BaTiO3/Bi0.5Na0.5TiO3 Nanocomposite Responsible for Anomalous Piezoelectric and Ferroelectric Behaviors - Wenxiong Zhang; Qi Feng; Eiji Hosono; Daisuke Asakura; Jun Miyawaki; Yoshihisa Harada (ACS Omega, 2020)