PiezoelectricForceMicroscopy DiffractiveOpticalElements dielectric_trench ForceDistanceSpectroscopy SolarCell Phosphide temperature controller AFM self-assembly SiliconOxide HexagonalBN Alkane Vinylpyridine Switching Domain FastScan GaN Hexacontane Trench Aggregated_molecules SoftSample Biofilm FrequencyModulation HighResolution Tungsten_disulfide MonoLayer Monisha Scanning_Thermal_Microscopy TyphimuriumBiofilm organic_polymer MetalCompound Lattice TappingMode ThermalConductivity AdhesionForce cooling