SingleLayer Tin disulfide ScanningTunnelingMicroscopy strontiu_titanate Glass organic_polymer amplitude_modulation Techcomp frequency_modulation HafniumDioxide piezoelectric force microscopy INSPParis TyphimuriumBiofilm HexagonalBN Zhi Phase ContactModeDot Molybdenum_disulfide domain_switching Fet Au111 Chemical_Vapor_Deposition TCS Stiffness ContactMode Gallium Epoxy MagneticForce SelfAssembly molecular_self_assembly PiezoelectricForceMicroscopy PhaseImaging SrTiO3 IndiumTinOxide nanobar