NiFe Stiffness NCM Ferroelectric UnivOfMaryland Gong light_emitting Polystyrene VortexCore frequency_modulation Electrical&Electronics Piezoresponse Heat NUSNNI Inorganic Spincast CompactDisk bias_mode CP-AFM Monisha StainlessSteel Graphite ConductingPolymer Optoelectronic light_emission Annealed Aggregated_molecules H-BN SiliconCrystal MembraneFilter Anneal Butterfly Epoxy Chemical_Vapor_Deposition Typhimurium