Keschtear

• Bi-Ca-Cu-O-Sr
• Bi-Cu-O-Sr
• Ag-Cu-La-O
• Ag-Cu-La-O-Sr
• Al-Bi-Ca-Cu-O-Sr
• superconductivity
• values of superconducting transition temperature
• superconducting transition temperature
• electronic and electrical properties
• conductivity or resistivity
• metal
• chalcogen
• intermediate valence
• conductor
• transitional
• orthorhombic
• tetragonal