Alkaline, Disordered, Photoluminescence spectra, Trigonal

• Ca-Eu-O-P
• Eu-Li-O-Si-Sr
• Ba-Ca-Eu-Mg-O-Si
• Ba-Eu-N-O-Si
• Ca-Eu-O-P-Sr
• disordered
• alkaline
• luminescent
• chalcogen
• lanthanoid