Defects Fet FAPbI3 block_copolymer ReflexLens ScanningKelvinProbeMicroscopy single_layer BiasMode Iron LiquidCrystal Yttria_stabilized_Zirconia Moire light_emission AM-KPFM mfm_amplitude BFO OpticalModulator Corrosion heterojunctions YttriaStabilizedZirconia HafniumDioxide SetpointMode Typhimurium DentalProsthesis ContactModeDots Biology MESA structure NeodymiumMagnets HexagonalBN ShenYang cross section Litho MagneticForce ContactMode MfmPhase