AM-KPFM PtfeMembrane Polystyrene piezoelectric force microscopy hard_disk Iron dielectric_trench StrontiumTitanate Ferrite Ni-FeAlloy DOE Graphene AnodizedAluminumOxide Oxide Praseodymium PvdfFilm Nanostructure PetruPoni_Institute semifluorinated_alkane FrequencyModulation CarbonNanotube LightEmission AIN Writing ULCA Multiferroic_materials I-VSpectroscopy CrystalGrowing CuSubstrate PinpointNanomechanicalMode Yeditepe_University Protein SKKU Terrace Nanopattern