Blood Phase Chrome epitaxy C_AFM mechanical_property Composite Conduct kelvin probe force microscopy Subhajjit ContactMode Resistance Polyvinylidene_fluoride Conductive AFM Pinpoint PFM Co/Cr/Pt TiO2 MembraneFilter Defect SICM WPlug Forevision KPFM Chemical_Vapor_Deposition Electical&Electronics Fujian fifber Polystyrene molecules Nanofiber Cross-section PECurve PVAP3HT SmallScan Cobalt-dopedIronOxide