Sekkina

• Ca-Cu-Ni-O-Pb-Sr-Tl
• Ca-Co-Cu-O-Pb-Sr-Tl
• Ca-Cu-O-Pb-Sr-Tl-Zn
• Ca-Cu-O-Pb-Sr-Tl
• Cu-La-O-Zn
• superconductivity
• superconducting transition temperature
• values of superconducting transition temperature
• electronic and electrical properties
• structural properties
• transitional
• chalcogen
• alkaline
• diamagnetic
• conductor
• tetragonal
• orthorhombic
• hexagonal
• monoclinic