Chalcogen, Disordered, Transitional, Electronic heat capacity coefficient

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