Alkali, Chalcogen, Disordered, Nonmetal, Luminescence, Trigonal

• Ca-Eu-Mg-Na-O-P
• Eu-Li-O-Si-Sr
• Ba-Eu-Na-O-P
• Bi-Na-O-Pr-Ti
• Bi-Na-O-Sm-Ti
• photoluminescence spectra
• wavelength for luminescence
• values of luminescence
• luminescence lifetime
• chromaticity diagram
• disordered
• nonmetal
• alkali
• chalcogen
• luminescent