Tungsten Polyvinylidene_fluoride SPMLabs MechanicalProperties SingleCrystal Liquid FrequencyModulation GaN Nanostructure Tungsten_disulfide ring shape food FAPbI3 LeakageCurrent Gong Nickel molecular_self_assembly 2-vinylpyridine aluminum_nitride Pinpoint PFM PtfeMembrane polymeric_arrays Polarization DeoxyribonucleicAcid OrganicCompound light_emission Aggregated_molecules multi_layer BiVO4 Yeditepe MultiferroicMaterials ito_film P3HT Change HighAcpectRatio