Alkaline, Chalcogen, Disordered, Quaternary, Kim, Optical properties

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