Birefringent, Chalcogen, Luminescent, Nonmetal, Luminescence

• O-V-Y
• Eu-Gd-Mo-O
• Ce-Eu-O-V-Y
• Ho-Li-Nb-O-Tm-Yb
• Lu-O-P-Pr
• values of luminescence
• wavelength for luminescence
• photoluminescence spectra
• luminescence lifetime
• chromaticity diagram
• luminescent
• nonmetal
• chalcogen
• birefringent
• non-disordered
• tetragonal
• trigonal
• monoclinic
• hexagonal