Ba-Cu-Fe-O-Y, Transitional, Values of superconducting transition temperature

• Ba-Ca-Cu-Fe-O-Y
• Ba-Cu-Fe-O-Sr-Y
• Ba-Cu-Fe-O-Pr-Y
• Ba-Ca-Cu-Fe-La-O-Y
• rare earth
• chalcogen
• conductor
• alkaline
• transitional
• orthorhombic
• tetragonal