Composition derivative of superconducting transition temperature, Conductor, Rare earth

• Ba-Cu-O-Y-Zn
• Ba-Cu-Ni-O-Y
• Ba-Cu-Fe-O-Y
• Ba-Co-Cu-O-Y
• Ba-Cu-Fe-Nd-O
• conductor
• rare earth
• transitional
• chalcogen
• alkaline
• orthorhombic
• tetragonal
• cubic