Alkaline, Apatite, Disordered, Pnictogen, Optical properties

• Ca-H-O-P
• Ce-O-P-Si-Sr
• Ca-F-O-P
• Ba-Cl-Eu-O-P
• Ba-Eu-F-Gd-Na-O-P
• luminescence
• phonons
• photoluminescence spectra
• wavelength for luminescence
• wavenumber of optical phonon
• disordered
• alkaline
• apatite
• chalcogen
• pnictogen
• hexagonal
• trigonal
• monoclinic