Borate, Chalcogen, Luminescent, Photoluminescence spectra

• Al-Ce-Ga-Gd-O
• Al-Ce-Lu-O
• B-Ba-Eu-Gd-O
• B-Ba-Eu-O
• B-Cu-Li-O
• luminescent
• borate
• chalcogen
• metalloid
• rare earth
• monoclinic
• orthorhombic
• trigonal
• hexagonal
• tetragonal