B-Ba-O, Borate, Chalcogen, Nonmetal, Optical properties

• B-Ba-F-O
• B-Ba-Na-O-Zn
• B-Ba-Eu-Gd-O
• B-Ba-Eu-O-Y
• luminescence
• phonons
• non-linear optics
• photoluminescence spectra
• optical absorption
• chalcogen
• metalloid
• borate
• alkaline
• nonmetal
• trigonal
• orthorhombic
• hexagonal
• monoclinic
• triclinic