P. Kum-onsa, N. Chanlek, M. Takesada, P. Srepusharawoot, and P. Thongbai, “(La3+ Mg2+) codoped BiFeO3 nanopowders: Synthesis, characterizations, and giant dielectric relaxations”, Eng Appl Sci Res, vol. 48, no. 6, pp. 766–772, Jul. 2021.