LaAlO3 Workfunction oxide_layer solar_cell PpLdpe ScanningTunnelingMicroscopy self_assembly Lattice Magnetic Force Microscopy LiftHeight Metal-organicComplex Spain SetpointMode Electical&Electronics EFM Aluminum Wonseok silicon_oxide GaP Boron PFM Ni81Fe19 ForceVolume Chemical_Vapor_Deposition Morphology Conductivity ContactMode small_scan LightEmission YszSubstrate non_contact Floppy TipBiasMode Wildtype KelvinProbeForceMicroscopy