Carbon SurfaceChange LiNbO3 margarine mechanical_property PolyStylene Growth Conductance hetero_structure PANI pulsed_laser_deposition PiezoelectricForceMicroscopy PolymerPatterns Praseodymium heterojunctions Copper DNAProtein nanomechanical PUR Austenite Calcium silicon_carbide MolecularSelfAssembly SiWafer CrossSection VinylAlcohol OpticalWaveguide ring shape molecule ScanningThermalMicroscopy dielectric trench HanyangUniv Jason gallium_nitride Organic