El hiti

• Ba-Fe-Ni-O-Zn
• Ba-Fe-Ni-O
• Ba-Fe-O-Zn
• Fe-Mn-Ni-O
• Fe-Ni-O
• electronic and electrical properties
• activation energy
• values of activation energy
• magnetic properties
• conductivity or resistivity
• chalcogen
• transitional
• disordered
• ferrimagnet
• oxide
• cubic
• trigonal
• tetragonal