DNA Polyurethane Granada EFM ForceDistanceSpectroscopy StrontiumTitanate Piezo SingleLayer PS_PVAC Ni-FeAlloy pinpoint mode cannabinoid ScanningTunnelingMicroscopy Wildtype semifluorinated_alkanes HexagonalBN C36H74 Temperature MagneticForce PFM SiliconCrystal Yeditepe_University light_emitting layers Wafer TiO2 PolyimideFilm SThM ferromagnetic conductive Gold Inorganic suspended_graphene Silver FrictionalForceMicroscopy