Electronic and electrical properties, Ge-x polyhedra, Metalloid, Tetragonal

• Ce-Co-Ge
• Ge-P-Zn
• Ce-Ge-Ni
• Ge-La-Ni
• Co-Ge-Pr
• effective mass
• electrical conductivity
• conductivity or resistivity
• electronic energy gap
• values of electronic energy gap
• metalloid
• non-disordered
• intermetallic
• transitional
• ternary