Steps FastScan Vac Composition Writing Au111 Reduction Wonseok HBN PVA plastics Vacuum Hexacontane Genetic molecule mono_layer atomic_layer BreastCancerCell ContactMode molecular_beam TemperatureControlledAFM fifber aluminum_nitride IMT_Bucharest Photovoltaics Ananth F14H20 food HexagonalBN ScanningKelvinProbeMicroscopy Nanotechnology Deposition NCM\ SoftSample CrossSection