Electronic and electrical properties, Hexagonal, Ru-x polyhedra, Transitional

• Fe-Ru
• Ru
• Ba-O-Ru
• Al-Ru-U
• Ba-Fe-O-Ru
• conductivity or resistivity
• effective mass
• electrical conductivity
• electronic energy gap
• values of electronic energy gap
• transitional
• non-disordered
• metal
• disordered