Alkaline, Chalcogen, Lanthanoid, Kim, Wavelength for luminescence

• Eu-Li-Mg-O-P
• Ce-Er-O-Sr
• Ce-Er-O-Sr-Yb
• Ce-Er-O-Sr-Tm-Yb
• Ca-Na-O-P-Tb
• rare earth
• lanthanoid
• alkaline
• chalcogen
• luminescent
• orthorhombic
• hexagonal
• tetragonal
• monoclinic
• cubic