BTO polyvinyl acetate Nanotechnology Conductivity Vac PinpointPFM HexacontaneFilm FM_KPFM Dental EFM fluorocarbon Water Lateral_Force_Microscopy PhaseChange Chromium Lattice Phenanthrene organic_polymer Semiconductor Biology NusEce OrganicCompound CNT SrTiO3 Galfenol ConductiveAFM self-assembly BismuthFerrite Subhajjit LithiumNiobate OpticalModulator SFAs Mechinical PDMS GalliumPhosphide