Lanthanoid, Nonmetal, Monoclinic, Photoluminescence spectra

• Al-Eu-N-O-Si-Sr
• Ba-Eu-O-Si-Zn
• B-Ba-Cl-Eu-O-Y
• B-Ba-Cl-Eu-Gd-O
• Ce-Gd-Na-O-P
• rare earth
• lanthanoid
• nonmetal
• chalcogen
• luminescent