Cubic, Er-H, Er-x polyhedra, Fluorite

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