Ferroelectric Sr₃Zr₂O₇: competition between hybrid improper ferroelectric and antiferroelectric mechanisms

Suguru Yoshida, Koji Fujita^*, Hirofumi Akamatsu, Olivier Hernandez, Arnab Sen Gupta, Forrest G. Brown, Haricharan Padmanabhan, Alexandra S. Gibbs, Toshihiro Kuge, Ryosuke Tsuji, Shunsuke Murai, James M. Rondinelli, Venkatraman Gopalan, Katsuhisa Tanaka

^*Corresponding author for this work