Pvdf Topography non_contact Cross-section StrontiuTitanate ContactMode doped HOPG flakes Nanotechnology CntFilm Ananth WS2 plastics BaTiO3 Liquid hetero_structure semifluorinated_alkanes DNAProtein Display Materials PrCurve Holes Array #Materials MESA structure Lateral CeramicCapacitor SicMosfet SiliconeOxide Al2O3 pinpoint mode C36H74 Wonseok CHRYSALIS_INC