Anti ferroelectrics Aberration-corrected STEM 1 Aberrations 1 Antiferroelectricity 1 Binary alloys 1 Candidate materials 1 Computation theory 1 Computational studies 1 Density functional theory 1 Dielectric capacitors 1 Doping strategies 1 Electronic structure 1 High-angle annular dark fields 1 Higher energy density 1 Hybrid density functional theory 1 Intrinsic defects 1 Lead-Free 1 Lead-free material 1 Microscopic views 1 Nanoregions 1 Niobium compounds 1 O vacancies 1 Performance 1 Polar nanoregions 1 Semiconductor doping 1 Silver 1 Silver niobate 1 Sodium 1 Sodium alloys 1 Spherical aberrations 1