Cubic, Er-H, Er-x polyhedra

• Er-H-Mn
• Er-Fe-H-Mn
• Er-H-Ni-Y
• Er-Fe-H
• magnetic properties
• electronic and electrical properties
• structural properties
• thermal and thermodynamic properties
• conductivity or resistivity
• rare earth
• lanthanoid
• disordered
• fluorite
• hydride