Alkaline, Luminescent, Rare earth, Optical properties, Trigonal

• Ca-Eu-O-P
• Ca-Eu-Mg-Na-O-P
• Ba-Eu-N-O-Si
• Ca-Eu-Mg-O-P
• Ca-Eu-O-P-Sr
• luminescence
• wavelength for luminescence
• photoluminescence spectra
• luminescence lifetime
• values of luminescence
• luminescent
• alkaline
• rare earth
• lanthanoid
• chalcogen