Er-x polyhedra, Rare earth, Thermal expansion

• B-Er-Fe
• Al-Er-Ge
• Er-Si
• Er-Ge
• Co-Er
• linear thermal expansion coefficient
• thermal strain
• volume thermal expansion coefficient
• rare earth
• lanthanoid
• transitional
• non-disordered
• orthorhombic
• cubic
• hexagonal
• tetragonal
• monoclinic