Nature CommunicationsMn-atomic-layered antiphase boundary enhanced ferroelectricity in KNN-based lead-free filmsLiqiang XuZhengyang KongBeibei ZhuXu WangKun HanPingfan ChenChao LiWenbin WuFang-Zhou YaoKe WangZhen HuangFeng Chen2025-07-01Full textDOI https://doi.org/10.1038/s41467-025-61170-w