Chalcogen, Luminescent, Monoclinic, Photoluminescence spectra

• Al-Dy-Eu-O-Sr
• Al-Eu-O-Sr
• Cd-O-W
• Al-Eu-N-O-Si-Sr
• Ba-Eu-O-Si-Zn
• chalcogen
• luminescent
• rare earth
• lanthanoid
• transitional