Electronic and electrical properties, Er-K

• Er-F-Gd-K-Li-Sm
• Er-F-K
• Er-Gd-K-O-W
• Er-K-O-Ta
• Er-K-O-W-Y-Yb
• electrical conductivity
• effective mass
• electronic energy gap
• values of electronic energy gap
• permittivity (dielectric constant)
• rare earth
• lanthanoid
• alkali
• chalcogen
• monoclinic
• cubic
• orthorhombic
• trigonal
• triclinic