Nature CommunicationsAntiferroelectric polarization enabling physical activation in CuBiP2Se6 for medical image processingYinan LinDongliang YangZhongyi WangWeili ZhenTianze YuFei XueHongtao WeiLinfeng Sun2026-04-03Full textDOI https://doi.org/10.1038/s41467-026-70594-x