Wildtype OxideLayer Mechinical H-BN self_healing molecular_beam Magnetic Force Microscopy Ferroelectric piezoelectric force microscopy cross section StyreneBeads Lattice Hair Phthalocyanine LightEmission Device SKKU Polarization BiVO4 Step ForceMapping Pore PvdfBead NUS_Physics nanobar Phosphide FAFailureAnlaysis ScanningTunnelingMicroscopy ReflexLens Indium_tin_oxide FAPbI3 amplitude_modulation GalliumPhosphide PinpointNanomechanicalMode Morphology