Electronic and electrical properties, Ge-x polyhedra, Metalloid

• Ce-Ge-Ni
• Ge
• Ba-Ge
• Ge-Se
• Ba-Ga-Ge
• effective mass
• electrical conductivity
• electronic energy gap
• values of electronic energy gap
• conductivity or resistivity
• metalloid
• non-disordered
• intermetallic
• ternary
• transitional
• orthorhombic
• tetragonal
• cubic
• hexagonal
• monoclinic