Bi-Fe-La-O, Chalcogen, Magnetic properties, Trigonal

• Bi-Co-Fe-La-O
• Bi-Dy-Fe-La-O
• Bi-Fe-La-Nb-O
• Bi-Fe-La-Lu-O
• magnetization
• magnetic hysteresis
• values of magnetization
• coercive field
• pnictogen
• chalcogen
• lanthanoid
• oxide
• rare earth