FrictionalForceMicroscopy TyphimuriumBiofilm HOPG SurfaceOxidation Wafer Bmp Vanadate Gong OpticalWaveguide Epoxy Semiconductor SSRM Ram contact Adhesion membrane hetero_structure align Granada 2-vinylpyridine WS2 BiasMode PolyStylene Spain exfoliate Display cannabidiol LMF TappingMode IVSpectroscopy Sperm kelvin probe force microscopy Dental PhaseChange Self-assembledMonolayer