El khayati

• Cu-Fe-O-P
• Bi-Ni-O-P
• Co-Fe-O-P
• Bi-Co-O-P
• Fe-Ni-O-P
• magnetic properties
• magnetization
• spontaneous magnetic moment
• magnetic structure
• values of magnetic structure
• pnictogen
• quaternary
• non-disordered
• chalcogen
• transitional
• monoclinic
• orthorhombic