Oxidation FM_KPFM HanyangUniv Carbon Electrical&Electronics AtomicLayer Phthalocyanine PetruPoni Wildtype OxideLayer Battery FFM Roughness biocompatible cross section DLaTGS Chrome Glass CeramicCapacitor CopperFoil Polypropylene MLCC MetalCompound epitaxy 2dMaterials Hole Protein CuFoil MechanicalProperty Butterfly Tin sulfide KAIST AIN KelvinProbeForceMicroscopy Gong