Disordered, Electronic and electrical properties, Karppinen

• Ba-Fe-Gd-O
• Ce-Co-Cu-O-Sr-Y
• La-Mn-O
• Co-Na-O
• Fe-La-O-Sr
• conductivity or resistivity
• electrical resistivity
• valence or charge transfer
• activation energy
• electronic energy gap
• disordered
• transitional
• chalcogen
• oxide
• alkaline
• tetragonal
• orthorhombic
• trigonal
• cubic
• hexagonal