Alkaline, Chalcogen, Oxide, Rare earth, Transitional, Kemmler sack

• Bi-Cu-Fe-O-Sr-Y
• Bi-Fe-La-O-Pb-Sr
• Bi-Fe-La-O-Sr
• Bi-Ca-Cu-Nd-O-Pb-Sr
• Cu-Fe-O-Pb-Sr-Y
• structural properties
• magnetic properties
• superconductivity
• Moessbauer spectra
• electronic and electrical properties
• rare earth
• alkaline
• oxide
• chalcogen
• transitional
• tetragonal
• trigonal
• cubic
• orthorhombic
• hexagonal