Chalcogen, Disordered, Lanthanoid, Rare earth, Hexagonal, Kim

• Ce-Li-O-Si
• Li-O-Si-Tb
• Eu-Li-O-Si
• Ho-Mn-O
• Cl-Eu-O-P-Sr
• optical properties
• luminescence
• photoluminescence spectra
• phonons
• structural properties
• rare earth
• disordered
• lanthanoid
• chalcogen
• apatite