Step Corrosion Chungnam_National_University Optic plastics Array LightEmiting ContactModeDots Magnetic Force Microscopy Pattern Silicon kelvin probe force microscopy PUR molecular_beam Dr.JurekSadowski KAIST Tin sulfide CeramicCapacitor StainlessSteel India Flake Nanostructure ScanningIon-ConductanceMicroscopy Boron Carbon UnivMaryland Crystal Leakage rubber PFM Subhajjit LiquidCell LDPE Growth Polarization