ScanningTunnelingMicroscopy Conductive AFM Phthalocyanine Tin disulfide UnivMaryland Calcium tip_bias_mode Yeditepe_University Co/Cr/Pt margarine LDPE polyvinyl acetate WWafer Global_Comm hard_disk Transparent domain_switching alkanes StrontiumTitanate blended polymers PtfeFilter AdhesionForce Film Ram Electical&Electronics PolymerBlend Sapphire OxideLayer Moire Mosfet vertical_PFM Adhesion gallium_nitride PolycrystallineFerroelectricBCZT TCS