Alkaline, Transitional, Buckley

• Ba-Cu-La-O-Y
• Ba-Cu-O-Y
• Bi-Ca-Cu-O-Sr
• Bi-Ca-Cu-O-Pb-Sr
• Ca-O-Sr-Ti
• superconductivity
• superconducting transition temperature
• optical properties
• phonons
• wavenumber of optical phonon
• transitional
• alkaline
• chalcogen
• conductor
• high-tc superconductor
• orthorhombic
• tetragonal
• cubic
• trigonal