Film fifber SiliconOxide Materials hetero_structure doped AlkaneFilm Etch PolyimideFilm fluoroalkane Electical&Electronics DataStorage pinpoint mode Cross-section PetruPoni_Institute LateralForceMicroscopy DeflectionOptics Co/Cr/Pt ring shape Lift Graphite piezoelectric force microscopy AdhesionForce FuelCell Fet non_contact Pinpoint KAIST LFM Holes norganic semifluorinated_alkanes Foil Chungnam_National_University ItoGlass