T. Nurakhmetov, “Intrinsic emission and electron-hole trapping centers in Li2SO4-Cu crystals”, Eur. J. Phys. Funct. Mater., vol. 5, no. 2, Mar. 2026, Accessed: Mar. 10, 2026. [Online]. Available: https://ephys.kz/index.php/journal/article/view/195