Electronic and electrical properties, H-Y, H-x polyhedra, Metal

• Fe-H-Y
• Ce-H-Ni-Y
• H-La-Ni-Y
• Fe-H-Mo-Y
• electron density of states
• conductivity or resistivity
• energy band structure
• electron energy band structure
• electronic energy gap
• transitional
• metal
• rare earth
• hydride
• binary
• trigonal
• cubic
• hexagonal
• monoclinic
• tetragonal