Ba-Cu-Fe-O-Y, Conductor, Semiconductor, Magnetic properties

• Ba-Cu-Fe-O-Sr-Y
• Ba-Co-Cu-Fe-O-Y
• magnetic susceptibility
• Moessbauer spectra
• magnetization
• Curie-Weiss paramagnetism
• values of Moessbauer spectra
• conductor
• disordered
• chalcogen
• alkaline
• high-tc superconductor
• tetragonal
• orthorhombic