Alkali, Nonmetal, Tetragonal, Wavelength for luminescence

• Bi-Na-Nd-O-W
• Er-F-Li-Y
• Ca-Ce-Ge-Li-O
• Er-La-Li-Mo-O-Yb
• Ca-Ge-Li-O-Tb
• alkali
• nonmetal
• luminescent
• rare earth
• lanthanoid