Alkali, Chalcogen, Nonmetal, Photoluminescence spectra, Tetragonal

• Eu-Li-Mo-O
• Eu-Gd-Mo-Na-O
• B-Cu-Li-O
• Ca-Eu-Li-O-Si
• Eu-Li-Mo-Na-O
• chalcogen
• nonmetal
• alkali
• luminescent
• rare earth