HanyangUniv Edwin Composition Biology Blood FFM Tapping Tin disulfide China chemical_compound Optoelectronic BFO Lateral Copper Metal Defects norganic AtomicSteps TipBiasMode YttriaStabilizedZirconia conductive Polarization gallium_nitride self_healing Magnetostrictive Monisha kelvin probe force microscopy plastic Gallium_Arsenide ForceVolumeMapping H-BN plastics Scanning_Thermal_Microscopy MeltingPoint SingleLayer