Mrbuac, Nonmetal, Rare earth, Optical properties

• Ce-O-P-Si-Sr
• Ba-Cl-Eu-F
• B-Ba-Ce-F-Na-O-Sr
• Ca-Eu-O-P-Si
• Er-Ho-O-Tm-V-Y-Yb
• luminescence
• photoluminescence spectra
• wavelength for luminescence
• values of luminescence
• phonons
• nonmetal
• rare earth
• lanthanoid
• chalcogen
• luminescent
• hexagonal
• cubic
• orthorhombic
• monoclinic
• tetragonal