Chalcogen, Transitional, Cu-Ga, Orthorhombic

• Ca-Cu-Ga-O-Sr-Y
• Cu-Ga-O-Sr-Y
• Ba-Cu-Ga-O-Pr
• Ba-Cu-Er-Ga-O
• Ba-Cu-Ga-O-Y
• thermal and thermodynamic properties
• electronic and electrical properties
• structural properties
• magnetic properties
• conductivity or resistivity
• transitional
• chalcogen
• alkaline
• oxide
• high-tc superconductor