PVA ScanningTunnelingMicroscopy LateralForceMicroscopy Fluoride PhaseChange piezoelectric force microscopy Barium_titanate MeltingPoint HexagonalBoronNitride SSRM fluoroaalkane Blood CopperFoil IVSpectroscopy Water Terrace oxide_layer MonoLayer fifber Hair Fujian molecular_beam Boron Strontium Pores TungstenDeposition Wonseok C_AFM Spain Vinylpyridine polyvinyl acetate Zagreb SoftSample single_layer ElectrostaticForceMicroscopy