MultiferroicMaterials SurfaceOxidation ThermalProperties AtomicLayer SelfAssembly PetruPoni Calcium Polystyrene PvdfBead Defects LateralPFM Wildtype MagneticArray single_layer cooling hard_disk CeNSE_IISc high_resolution HexagonalBoronNitride Optoelectronic Array PS_PVAC cross section molecule Polyimide CastIron light_emitting Fendb H-BN Hexylthiophene Transparent membrane FM_KPFM Ni81Fe19 Melt