Chalcogen, Electronic and electrical properties, Orthorhombic

• Ba-Cu-O-Y
• Ca-La-Mn-O
• Bi-Ca-Cu-O-Sr
• Fe-Se
• Bi-O-Sr-Ti
• electrical conductivity
• effective mass
• electronic energy gap
• values of electronic energy gap
• conductivity or resistivity
• chalcogen
• transitional
• oxide
• disordered
• non-disordered