Conductor, Metal, Superconductor, Transitional, Murs

• Ba-Cu-O-Y
• Cu-La-O-Sr
• As-Ba-Co-Fe
• As-Ba-Fe
• As-Ba-Fe-K
• transitional
• metal
• conductor
• superconductor
• diamagnetic
• tetragonal
• orthorhombic
• cubic
• hexagonal
• trigonal