Alkaline, Chalcogen, Luminescence lifetime, Orthorhombic

• B-Ca-Eu-Gd-O
• B-O-Sm-Sr
• Ca-Eu-O-Si-Y
• B-Ba-Eu-O-P
• Ca-Eu-Ga-Na-O
• alkaline
• chalcogen
• lanthanoid
• rare earth
• luminescent