T. Usman, J. Iqbal, M. Archi, M. Murtaza, S. Khan, and Y. Mu, “Tailoring halide double perovskite materials Rb₂MgSnY₆ (Y = I, Br, Cl) for enhanced optoelectronic and solar cells through first-principles study”, Opto-Electron. Rev., vol. 33, no. 4, p. e155902 , Mar. 2026.