Er-Fe, Er-x polyhedra, Orthorhombic

• Er-Fe-O
• Er-Fe-Ge
• Er-Fe-H
• Er-Fe-Mn-O
• Er-Fe-Sn
• magnetic properties
• thermal and thermodynamic properties
• magnetization
• structural properties
• magnetic transitions
• transitional
• rare earth
• lanthanoid
• ternary
• non-disordered