Er-x polyhedra, Lanthanoid, Rare earth, Magnetization

• B-Er-Fe
• B-Er-Fe-Mn
• Er-Si
• Er-Fe
• Co-Er
• magnetic moment
• values of magnetization
• saturation magnetic moment
• lanthanoid
• rare earth
• transitional
• ferromagnetic
• metal
• tetragonal
• hexagonal
• orthorhombic
• cubic
• monoclinic