Borate, Chalcogen, Lanthanoid, Rare earth, Photoluminescence spectra

• Al-Ce-Lu-O
• Al-Ce-Ga-Gd-O
• B-Ba-Eu-Gd-O
• B-Ba-Eu-O
• B-Eu-La-O
• lanthanoid
• rare earth
• chalcogen
• borate
• luminescent
• monoclinic
• trigonal
• orthorhombic
• hexagonal
• cubic