Karimoto

• Ba-C-Ca-Cu-O
• O-Sr-Ti
• Al-La-O
• Cu-O-Pb-Sr
• Ba-C-Cu-O
• electronic and electrical properties
• conductivity or resistivity
• structural properties
• superconducting transition temperature
• electrical resistivity
• transitional
• chalcogen
• alkaline
• high-tc superconductor
• conductor
• tetragonal