VerticalPFM Foil electrospinning Cobalt-dopedIronOxide Polyvinylidene Chungnam_National_University Phosphide Pinpoint PFM CeramicCapacitor F14H20 PVAP3HT molecular_beam Monisha Force-distance Croatia Semiconductor SThM Gallium EFMAmplitude ThermalProperties NtuEee AM-KPFM KelvinProbeForceMicroscopy NTU Mosfet ito_film MagneticArray SmalScan Ecoli Bismuth Cell I-VSpectroscopy Stiffness DomainSwitching Ceramic