Summan

• Co-Fe-O-Zn
• Co-Fe-O
• Fe-O
• Fe-O-Zn
• Cd-Fe-O
• electronic and electrical properties
• activation energy
• values of activation energy
• conductivity or resistivity
• thermoelectric power
• transitional
• chalcogen
• ferrimagnet
• ferromagnetic
• disordered
• cubic