Chalcogen, Lanthanoid, Oxide, Kim, Photoluminescence spectra

• Eu-O-Y
• Al-Ba-Eu-Mg-O
• Ce-La-Li-O-Si
• Ce-Li-O-Si
• Eu-La-Li-O-Si
• rare earth
• lanthanoid
• oxide
• chalcogen
• luminescent
• hexagonal
• tetragonal
• cubic
• orthorhombic
• monoclinic