Tungsten_disulfide ScanningSpreadingResistanceMicroscopy Copper Wildtype Gallium_Arsenide SoftSample VinylAlcohol Lattice GaP KPFM AM-KPFM medical SiliconeOxide AmplitudeModulation 2-vinylpyridine Fluoride CNT margarine Neodymium TransitionMetal Silver SSRM Defect DataStorage oxide_layer polyvinyl acetate SolarCell Fujian INSPParis Inorganic LFM YttriaStabilizedZirconia C_AFM Nanofiber BaTiO3