Ba-Cu-Fe-O-Y, Chalcogen, Disordered, Magnetic properties

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