DNAProtein biocompatible PtfeMembrane InorganicCompound HDD AIN Polarization Film piezoelectric force microscopy high_resolution lift_mode Adhesion Multiferroic_materials SThM SurfaceChange mfm_amplitude LowDensityPolyethylene SICM PECurve Lanthanum_aluminate BTO electrospinning InsulatorFilm neodymium_magnets Optoelectronic Vinylpyridine Wafer Sadowski Non-ContactMode Barium_titanate Austenite Molybdenum UnivOfMaryland MechanicalProperties light_emitting