Ba-K, Metal, Superconductivity

• As-Ba-Fe-K
• Ba-Bi-K-O
• As-Ba-Co-Fe-K
• Ba-Cu-K-O-Y
• Ba-Bi-K-O-Pb
• superconducting transition temperature
• values of superconducting transition temperature
• critical magnetic field
• upper critical magnetic field
• superconductivity energy gap
• metal
• alkaline
• alkali
• disordered
• pnictogen
• tetragonal
• cubic
• orthorhombic