Chalcogen, Oxide, Transitional, Kemmler sack, Magnetic properties

• Bi-Cu-Fe-O-Sr-Y
• Bi-Fe-O-Pb-Sr
• Cu-Fe-O-Pb-Sr-Y
• Bi-Fe-Nb-O
• Bi-Fe-O-Pt
• Moessbauer spectra
• magnetic susceptibility
• values of magnetic susceptibility
• magnetic transitions
• oxide
• chalcogen
• transitional
• antiferromagnetic
• pnictogen
• tetragonal
• orthorhombic
• cubic