ChemicalCompound PDMS Gong Conductance self-assembled_monolayer Non-ContactMode 2d_materials TransitionMetal TipBiasMode SurfaceOxidation Dental polymeric_arrays MLCC Molybdenum_disulfide PolyimideFilm MfmAmplitude DeflectionOptics OpticalWaveguides InorganicCompound CVD vertical_PFM LMF Force-distance NiFe sputter Optical Mfm temp Patterns Piezo Conduct CarbonNanotube Gold HexacontaneFilm CrAu