Chalcogen, Karpinsky

• Bi-Fe-La-O
• Bi-Fe-O-Sm
• La-Mn-O-Sb-Sr
• Co-La-Mn-O-Sr
• Bi-Ca-Fe-O
• magnetic properties
• structural properties
• magnetization
• values of magnetization
• magnetic transitions
• transitional
• chalcogen
• oxide
• disordered
• rare earth
• trigonal
• orthorhombic
• tetragonal
• cubic
• monoclinic