HfO2 Trench ScanningTunnelingMicroscopy H-BN Bacteria aluminum_nitride Mfm BiasMode temperature_control Optoelectronic pinpoint mode AM-KPFM Global_Comm Gallium Defects DLaTGS CalciumHydroxide AAO AdhesionEnergy Materials #Materials self-assembled_monolayer LateralPFM PetruPoni Gallium_Arsenide GlassTemperature ForceDistanceSpectroscopy ContactModeDot TiO2 medical PvdfFilm fe_nd_b C36H74 3-hexylthiophene Pinpoint