PolyStylene Wang Multiferroic_materials GaN LithiumNiobate PS_LDPE AM_SKPM semifluorinated alkane HardDiskMedia Gallium Yeditepe_University ContactModeDot FrictionForce Optical CuFoil SicMosfet Inorganic_Compound PVAP3HT Filter SurfaceOxidation mechanical property aluminum_nitride self-assembled_monolayer hard_disk hard_disk_media Fe_film MESA structure dielectric trench Phosphide ForceVolumeImage PinPointMode Pipette MagneticForce Gong InsulatorFilm