Cubic, Disordered, Re-Ta, Re-x polyhedra

• Ba-Fe-O-Pb-Re-Ta
• Fe-O-Pb-Re-Ta
• Co-Re-Ta
• thermal and thermodynamic properties
• superconductivity
• mechanical properties
• structural properties
• superconducting transition temperature
• transitional
• disordered
• intermetallic
• conductor
• binary