Conductor, Disordered, Metal, Kao

• As-Ba-Fe-K
• Cu-La-O-Sr
• As-Sn
• Ce-Cu-Nd-O
• Sn-Te
• electronic and electrical properties
• optical properties
• magnetic properties
• optical spectra
• structural properties
• metal
• conductor
• disordered
• transitional
• chalcogen
• tetragonal
• orthorhombic
• cubic
• trigonal
• hexagonal