Alkali, Disordered, Tetragonal, Wavelength for luminescence

• Eu-La-Na-O-W
• Eu-Na-Nb-O-Sr
• Er-La-Li-Mo-O-Yb
• Ca-Ce-Ge-Li-O
• Ca-Ge-Li-O-Tb
• alkali
• disordered
• luminescent
• rare earth
• lanthanoid