Alzubi, R. I., Y. A. Mousa, and H. K. Juwhari. “Structural and Luminescent Characteristics of Divalent Europium Activated Barium Aluminate With the Tridymite Structure Synthesized by the Sol-Gel Technique”. Jordan Journal of Physics, vol. 17, no. 3, Sept. 2024, pp. 313-21, https://jjp.yu.edu.jo/index.php/jjp/article/view/375.