AAO Polyethylene DLaTGS PMNPT ContactModeDots Piezoresponse SingleCrystal silicon_carbide Piezoelectric Heat PinpointPFM cannabidiol MultiferroicMaterials CeramicCapacitor Monisha Led Ceramics neodymium_magnets Wang Alkane Switching domain_switching PolycrystallineFerroelectricBCZT OxideLayer Solution Carbon Worcester_Polytechnic_Institute CrAu hetero_structure exfoliate Dopped Ecoli MagneticArray Litho Styrene