Conductor, Superconductor, Transitional, Katayama

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