Oxidation Foil PFM self-assembled_monolayer LiquidCell Polystyrene Workfunction CHRYSALIS_INC H-BN MeltingPoint Solar PVA ULCA Fujian IMT_Bucharest 2-vinylpyridine lithography BismuthFerrite Ceramic gallium_nitride FM-KPFM fifber Epoxy HexacontaneFilm SiliconOxide Optical Domain Scratch PANI 2d_materials frequency_modulation sputter Defect CalciumHydroxide AtomicLayer