Conductor, Metal, Metalloid, Superconductor, Katayama, Tetragonal

• Au-Ce-Si
• Fe-Se-Te
• As-Ba-Fe
• As-Ca-Fe-Ir
• As-Fe-Sr
• magnetic properties
• electronic and electrical properties
• conductivity or resistivity
• magnetic susceptibility
• electrical resistivity
• superconductor
• metalloid
• metal
• conductor
• transitional