Dhoble

• Ca-Gd-O-Pr-W
• Ca-Gd-O-Tm-W
• Al-Ba-Ce-Mg-O-Si
• Al-Ba-Eu-Mg-O-Si
• Al-Ba-O
• structural properties
• optical properties
• luminescence
• photoluminescence spectra
• wavelength for luminescence
• chalcogen
• alkaline
• rare earth
• lanthanoid
• quinary
• hexagonal
• trigonal
• orthorhombic
• monoclinic
• tetragonal