Bmp Magnetic Force Microscopy Cobalt-dopedIronOxide self-assembly PVA ForceDistanceSpectroscopy LeakageCurrent SmalScan Biofilm UnivOfMaryland Molybdenum Silver ContactMode EFMAmplitude CeNSE_IISc StainlessSteel blended polymers Gallium_Arsenide Ecoli Polyimide KPFM Chloroform Sphere strontiu_titanate silicon_oxide SurfaceChange Lattice Electrode TiO2 UnivCollegeLondon Stiffness MfmPhase SAM PMNPT WPlug