Investigations of Photoluminescence Properties of Ca x Mg 2-x Si 2 O 6 :yEu 2+ (x = 0.5–1.25, y = 0.015–0.035) Phosphors. - Lu, Juan; Su, Chia-Ching; Hong, Cheng-Shong; Peng, Guoxiang; Yang, Cheng-Fu (Materials (1996-1944), 2023)