Conductor, Metal, Superconductor, Lower critical magnetic field

• Ba-Cu-O-Y
• Fe-Se-Te
• Cu-La-O-Sr
• B-C-Ni-Y
• Pt-U
• superconductor
• conductor
• metal
• transitional
• diamagnetic
• cubic
• tetragonal
• orthorhombic
• hexagonal
• trigonal