Conductor, Metalloid, Superconductor, Katayama

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