Indium_tin_oxide Resistance Polystyrene Insulator KelvinProbeForceMicroscopy DomainSwitching Metal Potential temperature controller AFM Cobalt-dopedIronOxide Magnetic Force Microscopy Polytetrafluoroethylene light_emission silicon_oxide neodymium_magnets PolymerPatterns kelvin probe force microscopy Bacterium FrictionForce IRDetector Varistor Modulus CrAu Foil SICM ScanningSpreadingResistanceMicroscopy Wonseok China VerticalPFM StainlessSteel atomic_layer LDPE GaN Praseodymium CuFoil