Pseudo frank-kasper 20-vertex, Values of electronic energy gap

• Nd-Ni-Si
• Ni-Si-Sm
• Al-Ba-Si
• Gd-Ni-Si
• Ni-Pr-Si
• transitional
• ternary
• rare earth
• lanthanoid
• hexagonal
• orthorhombic
• tetragonal
• trigonal
• monoclinic