FM-KPFM Conductance Sic MeltingPoint PolyStylene Annealing lithography Alkane Piezoelectric MagneticArray Spain OpticalModulator Reduction electrospinning atomic_layer CarbonNanotube FM_KPFM Terrace Nanofiber ConductingPolymer 2dMaterials UTEM Scratch Composite Strontium Carbon neodymium_magnets Ptfe Corrosion Lateral AM_KPFM bias_mode Mapping TappingMode Lateral_Force_Microscopy