Optical properties of 2D Dirac materials (BeN4, IrN4, MgN4, PtN4 and RhN4): a density functional theory study. UMJSPE [Internet]. 2025 Jan. 30 [cited 2025 Apr. 28];2(1):132-9. Available from: https://ujmph.uz/index.php/journal/article/view/29