Borate, Chalcogen, Metalloid, Photoluminescence spectra

• B-Ba-Eu-Gd-O
• B-Ba-Eu-O
• B-Eu-La-O
• B-Cu-Li-O
• B-Ba-Eu-O-Y
• borate
• metalloid
• chalcogen
• luminescent
• rare earth
• monoclinic
• trigonal
• orthorhombic
• tetragonal
• hexagonal