Analysis of the rhombohedral-tetragonal symmetries coexistence in lead-free 0.94(Bi0.5Na0.5)TiO3-0.06BaTiO(3) ceramics from nanopowders - Gonzalez, A. M.; Pardo, L.; Montero-Cabrera, M. E.; Fuentes-Cobas, L. E.; (Advances In Applied Ceramics, 2016)