Alkaline, Oxide, Rare earth, Monoclinic, Photoluminescence spectra

• Al-Dy-Eu-O-Sr
• Al-Eu-O-Sr
• Al-Ca-Eu-O
• Ca-Eu-O-W
• Ba-Ca-Eu-La-Nb-O
• luminescent
• oxide
• chalcogen
• alkaline
• rare earth