Alkaline, Oxide, Kim, Optical properties, Orthorhombic

• Ba-Cu-O-Y
• O-Ru-Sr
• Ba-Cu-O-Y-Zn
• Ca-La-Mn-O
• Ba-Cu-Er-O-Pr
• phonons
• optical spectra
• optical conductivity
• luminescence
• wavenumber of transverse optical phonon
• oxide
• chalcogen
• alkaline
• transitional
• disordered