Y. . Sun and H. . Zhang, “Density Functional Theory Study on the Electrical Properties of ?-CsPbX3 (X=I, Cl, Br)”, ASRJETS-Journal, vol. 61, no. 1, pp. 1–6, Nov. 2019, Accessed: Sep. 18, 2025. [Online]. Available: https://asrjetsjournal.org/American_Scientific_Journal/article/view/5291