Ali, Asif, and Hina Zahid. “Dielectric, Ferroelectric and Optical Properties of Na and Nb Co-Doped (Bi0.5Na0.5)0.94Ba0.06TiO3”. Physics and Chemistry of Solid State, vol. 22, no. 4, Nov. 2021, pp. 607-13, doi:10.15330/pcss.22.4.607-613.