doped ContactMode Praseodymium Corrosion Deposition ForceDistanceSpectroscopy cross section PolymerPatterns Barium_titanate Sapphire Conductance Ferrite VerticalPFM Galfenol kelvin probe force microscopy NTU Crystal Ni81Fe19 Mechanical Blend FailureAnalysis FAFailureAnlaysis Reading Cobalt-dopedIronOxide plastic Indent Tape semifluorinated_alkanes LateralForce PDMS Solution Aluminium_Oxide CntFilm Sadowski Patterns