Hexacontane align WPlug alkanes Resistance ThinFilm Electrical&Electronics PMNPT Workfunction Implant aluminum_nitride self_assembly FFM CrossSection organic_polymer atomic_steps Sio2 ContactModeDot Optic HOPG biocompatible INSP ring shape ElectroChemical KAIST thermal_property MagneticPhase CaMnO3 Beads Electrode Mechanical Adhesion Scratch neodymium_magnets Magnets