Chalcogen, Conductor, Oxide, Kikkawa

• N-Nb-O
• Cu-Fe-O
• Cu-La-O-Sr
• Co-Li-O
• Ba-N-O-Ta
• electronic and electrical properties
• structural properties
• magnetic properties
• superconductivity
• conductivity or resistivity
• oxide
• chalcogen
• conductor
• disordered
• transitional
• cubic
• trigonal
• tetragonal
• hexagonal
• orthorhombic