Electronic and electrical properties, Er-x polyhedra, Monoclinic

• Er-Si
• Er-Nb-O-Sr
• Co-Er-Si
• Er-O-Pb-Sb
• Au-Er-Te
• electrical conductivity
• effective mass
• electronic energy gap
• values of electronic energy gap
• conductivity or resistivity
• rare earth
• lanthanoid
• non-disordered
• chalcogen