Er-x polyhedra, Magnetization, Rare earth, Transitional

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