B-Ba, Optical properties

• B-Ba-O-Y
• B-Ba-O-Pb
• B-Ba-O
• B-Ba-Na-O
• Al-B-Ba-O
• luminescence
• phonons
• photoluminescence spectra
• wavelength for luminescence
• optical absorption
• metalloid
• alkaline
• chalcogen
• nonmetal
• rare earth
• trigonal
• hexagonal
• monoclinic
• orthorhombic
• tetragonal