Er-Fe, Er-x polyhedra, Thermal expansion

• B-Er-Fe
• Er-Fe-N
• Er-Fe-H
• Er-Fe-Ge
• Er-Fe-Si
• linear thermal expansion coefficient
• thermal strain
• rare earth
• lanthanoid
• transitional
• ternary
• tetragonal
• hexagonal
• cubic
• orthorhombic
• trigonal