Tanigawa

• Bi-Ca-Cu-O-Sr
• Al-Pr
• Bi-Ca-Cu-O-Pb-Sr
• Ag-Zn
• Cu-Ni
• electronic and electrical properties
• superconductivity
• phase transitions
• magnetic properties
• critical magnetic field
• metal
• transitional
• conductor
• non-disordered
• chalcogen
• cubic
• tetragonal