Flake Tungsten_disulfide PatternedSapphireSubstrat AM-KPFM PolyvinylideneFluoride FM_SKPM Deposition Hexacontane mfm_amplitude conductive Grain GlassTemp LithiumNiobate frequency_modulation fe_nd_b SurfaceOxidation piezoelectric force microscopy Ferrite SICM Zagreb Kevlar Electronics PhaseChange Co/Cr/Pt SmallScan SmalScan Pvdf Boron Copolymer Sperm SAM Sadowski ConductingPolymer dielectric_trench Gallium_Arsenide