PDMS PvdfBead Electronics ScanningIon-ConductanceMicroscopy semifluorinated_alkane BaTiO3 FrictionalForceMicroscopy align Pzt layers Mechinical LiftHeight Metal-organicComplex ring shape Laser Typhimurium Force-distance PiezoelectricForceMicroscopy LeakageCurrent Hysteresys Fendb 2d_materials Phosphide Phase MolybdenumDisulfide molecules Silver MechanicalProperties Cross-section PolyStylene Pvdf polymeric_arrays CarbonNanotube Nickel Calcite