Chalcogen, Oxide, Khomchenko

• La-Mn-O
• Bi-Fe-O-Sm
• Ca-Mn-Nd-O
• Bi-Fe-O-Pb
• Bi-Fe-La-O
• magnetic properties
• magnetization
• structural properties
• values of magnetization
• electronic and electrical properties
• oxide
• chalcogen
• transitional
• disordered
• rare earth
• orthorhombic
• trigonal
• monoclinic
• tetragonal
• hexagonal