molecular_beam Electrode Chungnam_National_University LiftMode Melt Pvdf Bio medical EFM molecules lithography tip_bias_mode Forevision ScanningTunnelingMicroscopy UnivOfMaryland Polarization Scanning_Thermal_Microscopy CeramicCapacitor ThermalConductivity NUS flakes ScanningIon-ConductanceMicroscopy Sadowski SurfaceChange Microchannel NCM LateralForce SKPM Electronics CuFoil cross section MolecularSelfAssembly TemperatureControl Grain optoelectronics