Karapetrov

• Cu-Se-Ti
• C-Ca
• Ba-Cu-O-Y
• Fe-Se
• Fe-S-Se
• superconductivity
• critical magnetic field
• electronic and electrical properties
• conductivity or resistivity
• values of superconducting transition temperature
• transitional
• chalcogen
• alkaline
• diamagnetic
• metal
• trigonal
• orthorhombic