Chalcogen, Kemmler sack

• Bi-Ca-Cu-O-Pb-Sr
• Bi-Fe-O-Pb-Sr
• Bi-Fe-O-Sr
• Bi-Fe-La-O-Sr
• Bi-Fe-La-O-Pb-Sr
• structural properties
• magnetic properties
• electronic and electrical properties
• superconductivity
• conductivity or resistivity
• chalcogen
• transitional
• alkaline
• oxide
• quaternary
• orthorhombic
• tetragonal
• trigonal
• cubic
• hexagonal