First Principles Study of the Electronic, Optical, Elastic, and Thermal Properties of Double Perovskite Sr₂MgWO₆ for Optoelectronic Applications . J. Inst. Sci. Tech. [Internet]. 2025 Dec. 23 [cited 2026 Jul. 9];30(2):1-13. Available from: https://www.nepjol.info/index.php/JIST/article/view/76851