Ba-Cu-O-Y, Magnetic properties, Square pyramid 5-vertex, Tetragonal

• Ba-Cu-Fe-O-Y
• Ba-Co-Cu-O-Y
• Ba-Cu-O-Pr-Y
• Ba-Co-Cu-Fe-O-Y
• magnetic susceptibility
• values of magnetic susceptibility
• Curie-Weiss paramagnetism
• Moessbauer spectra
• cuprate
• disordered
• alkaline
• chalcogen
• high-tc superconductor