2d_materials StyreneBeads FFM ScanningTunnelingMicroscopy Polyaniline PatternedSapphireSubstrat cannabinoid Film polymeric_arrays Bismuth LightEmiting SiliconeOxide NiFe PolyvinylAcetate EPFL Ito HOPG conductive NTU silicon_carbide Cobalt-dopedIronOxide mfm_amplitude Aluminium_Oxide GranadaUniv molecule pulsed_laser_deposition Piezoresponse Copolymer FAPbI3 Phenanthrene Fendb Hexatriacontane HfO2 Korea University_of_Regensburg