Chalcogen, Cuprate, Oxide, Transitional, Orthorhombic, Values of magnetic susceptibility

• Ba-Cu-O-Y
• Cu-La-O
• Ba-Cu-O-Pr
• Ba-Cu-Gd-O
• Ba-Cu-Ho-O
• oxide
• cuprate
• high-tc superconductor
• chalcogen
• transitional