Kochi

• Ba-Cu-Fe-O-Pr
• Ba-Cu-Eu-Fe-O
• Ba-Cu-Fe-Lu-O
• Ba-Cu-Fe-Nd-O
• Ba-Cu-Fe-O-Y
• magnetic properties
• Moessbauer spectra
• electronic and electrical properties
• valence or charge transfer
• hyperfine magnetic field
• high-tc superconductor
• intermediate valence
• rare earth
• chalcogen
• quinary
• tetragonal
• orthorhombic