Er-x polyhedra, Lanthanoid, Ternary, Tetragonal

• B-Er-Fe
• C-Er-Fe
• Er-Fe-Ti
• B-Er-Rh
• Er-Fe-Mo
• magnetic properties
• thermal and thermodynamic properties
• magnetization
• structural properties
• magnetic transitions
• ternary
• lanthanoid
• rare earth
• transitional
• non-disordered