Chalcogen, Conductor, Disordered, Electronic heat capacity coefficient

• Ba-Cu-O-Y
• Cu-La-O-Sr
• Fe-Se-Te
• Ba-Cu-O-Pr
• Fe-Te
• chalcogen
• conductor
• disordered
• transitional
• metal
• orthorhombic
• tetragonal
• cubic
• trigonal
• hexagonal