Alkaline, Chalcogen, Disordered, Hexagonal, Optical properties

• Mg-O-Zn
• Ba-Fe-O
• Al-Ba-Eu-Mg-O
• Ca-H-O-P
• Fe-O-Sr
• luminescence
• phonons
• photoluminescence spectra
• wavelength for luminescence
• optical absorption
• disordered
• alkaline
• chalcogen
• luminescent
• rare earth