Er-x polyhedra, Rare earth

• Er-Si
• B-Er-Fe
• Co-Er
• Er-Fe
• Ba-Cu-Er-O
• thermal and thermodynamic properties
• magnetic properties
• structural properties
• electronic and electrical properties
• magnetization
• rare earth
• lanthanoid
• transitional
• non-disordered
• orthorhombic
• hexagonal
• tetragonal
• cubic
• monoclinic