Bi0.5Cu1.5Fe0.5O6.5Sr1.5Y

• Bi-Cu-Fe-O-Sr-Y
• magnetic properties
• thermal and thermodynamic properties
• Moessbauer spectra
• electronic and electrical properties
• structural properties
• intermediate valence
• chalcogen
• high-tc superconductor
• cuprate
• rare earth
• tetragonal