Chalcogen, Jsnmbn

• Ba-Cu-O-Y
• Fe-Se-Te
• Bi-Ca-Cu-O-Pb-Sr
• Co-Fe-O
• Ba-Ca-Cu-O-Tl
• structural properties
• magnetic properties
• electronic and electrical properties
• conductivity or resistivity
• superconductivity
• chalcogen
• transitional
• alkaline
• rare earth
• lanthanoid
• tetragonal
• cubic
• orthorhombic
• trigonal
• hexagonal