El shora

• Fe-Mn-Ni-O
• Fe-Ni-O
• Co-Fe-Ni-O-Zn
• Fe-Ni-O-Zn
• electronic and electrical properties
• magnetic properties
• structural properties
• activation energy
• values of activation energy
• transitional
• chalcogen
• ferrimagnet
• spinel
• disordered
• cubic