BaTiO3 SPMLabs semifluorinated_alkanes bias_mode Piezoresponse Gallium WPlug PolyimideFilm Semiconductor CuFoil Blood Worcester_Polytechnic_Institute Mechinical LateralPFM fe_nd_b ScanningThermalMicroscopy Conductive AFM Alkane Magnetic Force Microscopy Nanotechnology TappingMode Bio Fendb FM-KPFM Molybdenum_disulfide ShenYang WS2 AmplitudeModulation Self-assembledMonolayer Co/Cr/Pt Floppy ThinFilm Roughness ScanningIon-ConductanceMicroscopy BlockCopolymer