optoelectronics Imprint PANI WWafer PolyimideFilm MagneticArray membrane ScanningKelvinProbeMicroscopy Litho alkanes PolyvinylideneFluoride MultiferroicMaterials Granada LiftMode FrictionForce SICM food graphene_hybrid AdhesionEnergy Chemical_Vapor_Deposition P3HT Pinpoint CVD Mechanical&nanotechnology Thermoplastic_polyurethane Nanostructure mechanical property Cross-section frequency_modulation CaMnO3 Solar NiFe lift_mode Chungnam_National_University heterojunctions