Le Thi Thu Hien, Pham Son Tung, Tran Ngoc Khiem, and Nguyen Duc Chien. “Influence of Composition, Doping Concentration and Annealing Temperatures on Optical Properties of Eu3+-Doped ZnO-SiO2 Nanocomposites ”. Journal of Applied Science and Technology 9 (April 21, 2020): 69-72. Accessed April 3, 2025. http://jst.utehy.edu.vn/index.php/jst/article/view/304.