Chalcogen, Disordered, Oxide, Transitional, Temperature-independent part of magnetic susceptibility

• Ba-Cu-O-Y
• Ba-Cu-Fe-O-Y
• Co-Na-O
• Ba-Cu-O-Pr
• Ba-Cu-Gd-O
• oxide
• transitional
• disordered
• chalcogen
• conductor
• orthorhombic
• tetragonal
• cubic
• trigonal
• hexagonal