Chalcogen, Lanthanoid, Luminescent, Rare earth, Hexagonal, Kim

• Ce-Li-O-Si
• Li-O-Si-Tb
• Eu-Li-O-Si
• Cl-Eu-O-P-Sr
• Ce-La-Li-O-Si
• optical properties
• luminescence
• photoluminescence spectra
• wavelength for luminescence
• phonons
• luminescent
• rare earth
• lanthanoid
• chalcogen
• apatite