Polarization Switching and Correlated Phase Transitions in Fluorite‐Structure ZrO₂ Nanocrystals (Adv. Mater. 28/2023)

Polarization Order Polarization-switching processes of fluorite-oxide thin films remain elusive due to the challenges of visualizing oxygen ions. In article number 2207736, Chen Ge, Qinghua Zhang, Lin Gu, and co-workers directly capture the transition between ferroelectric and antiferroelectric orders using integrated differential phase-contrast scanning transmission electron microscopy.