Electronic and electrical properties, Gd-x polyhedra

• Ba-Cu-Gd-O
• Cu-Gd-O-Ru-Sr
• Gd-Ge-Si
• Gd
• Gd-Ni
• electrical conductivity
• effective mass
• conductivity or resistivity
• electronic energy gap
• values of electronic energy gap
• rare earth
• lanthanoid
• transitional
• disordered
• non-disordered
• orthorhombic
• cubic
• tetragonal
• hexagonal
• monoclinic