polymeric_arrays TappingMode STM PinPointMode Gallium_Arsenide FrictionForce ULCA Aggregated_molecules semifluorinated alkane #Materials Fendb KelvinProbeForceMicroscopy Dopped ForceMapping self_assembly piezoelectric force microscopy MultiferroicMaterials Al2O3 Barium_titanate Pores AnodizedAluminumOxide alkanes Calcite WPlug Praseodymium Ceramic ConductingPolymer PhaseTransition blended polymers sputter doped Ananth C_AFM PolymerBlend HydroGel