Er-Ni, Lanthanoid, Metalloid, Tetragonal

• B-C-Er-Ni
• Er-Ni-Si
• B-Er-Ni
• Er-Ge-Ni
• Er-Ni-Sb
• magnetic properties
• thermal and thermodynamic properties
• electronic and electrical properties
• magnetic transitions
• superconductivity
• rare earth
• transitional
• metalloid
• lanthanoid
• non-disordered