Nature CommunicationsDirect observation of cation-dependent polarisation switching dynamics in fluorite ferroelectricsKousuke OoeYufan ShenKazuki ShitaraRintaro MakiShunsuke KobayashiYuichi ShimakawaDaisuke KanJoanne Etheridge2026-03-30Full textDOI https://doi.org/10.1038/s41467-026-70593-y