Chalcogen, Lanthanoid, Rare earth, Kemmler sack

• Bi-Fe-La-O-Pb-Sr
• Bi-Fe-La-O-Sr
• Bi-Ca-Cu-Nd-O-Pb-Sr
• Ba-Gd-O-U
• Bi-Ca-Cu-Gd-O-Pb-Sr
• structural properties
• superconductivity
• magnetic properties
• optical properties
• electronic and electrical properties
• chalcogen
• lanthanoid
• rare earth
• oxide
• alkaline
• cubic
• tetragonal
• trigonal
• orthorhombic
• monoclinic