Alkaline, Chalcogen, Oxide, Quaternary, Kim, Optical properties

• Ba-Cu-O-Y
• Ba-Nb-O-P
• Ca-La-Mn-O
• Al-Ca-Mn-O
• Al-Mg-O-Ti
• optical spectra
• phonons
• luminescence
• wavelength for luminescence
• photoluminescence spectra
• quaternary
• alkaline
• chalcogen
• oxide
• transitional
• tetragonal
• cubic
• orthorhombic
• monoclinic
• trigonal