As-Ba-Co-Fe, As-x polyhedra, Superconductivity

• As-Ba-Co-Fe-K
• superconducting transition temperature
• values of superconducting transition temperature
• critical magnetic field
• magnetic penetration depth
• upper critical magnetic field
• metal
• diamagnetic
• alkaline
• disordered
• metalloid
• tetragonal
• orthorhombic