IISCBangalore Ucl mechanical property Magnetic Force Microscopy IVSpectroscopy Adhesive Annealed Ferroelectric alkanes KAIST 2dMaterials FrictionForce Gallium_Arsenide Chungnam_National_University Treatment Resistance HexacontaneFilm Epoxy 2-vinylpyridine PDMS PinpointPFM STO mechanical_property AlkaneFilm light_emission Nanotechnology MagneticForceMicroscopy INSP Gong Metal Topography SKPM HACrystal BTO Al2O3