Apatite, Chalcogen, Disordered, La-O-Si, Optical properties

• Ca-Eu-La-O-Si
• Ce-La-Mg-O-P-Si-Tb
• Ca-Eu-La-O-P-Si
• La-Mg-O-P-Si-Tb
• luminescence
• wavelength for luminescence
• photoluminescence spectra
• phonons
• chromaticity diagram
• lanthanoid
• apatite
• disordered
• chalcogen
• metalloid
• hexagonal
• trigonal