LFM phase_change EFM Piezoresponse silicon_carbide Fet NiFe Hysteresys DOE AM_KPFM self-assembled_monolayer Annealing Nanofiber TungstenDeposition BaTiO3 PolycrystallineFerroelectricBCZT Semiconductor Nanopattern Laser Lateral_Force_Microscopy Metal Composition Heat Nanostructure pinpoint mode TPU Polystyrene polymeric_arrays CeramicCapacitor Steps Litho polyvinyl acetate StainlessSteel Writing Display