Ucl Pvdf VerticalPFM TCS cross section Layer Phosphide IMT_Bucharest Yeditepe_University Pinpoint PFM Corrosion SSRM organic_polymer Ecoli Typhimurium Defects Hole Tin sulfide Titanate Deposition Kevlar FM_SKPM DNA NtuEee Mosfet single_layer layers ForceDistanceSpectroscopy LiNbO3 OpticalWaveguide PolymerBlend Polyurethane temp self-assembly ElectrostaticForceMicroscopy