As-Ba-Fe, As-x polyhedra, Energy band structure

• As-Ba-Fe-K
• As-Ba-Co-Fe
• As-Ba-Fe-Ru
• As-Ba-Fe-P
• Fermi surface
• electron energy band structure
• Brillouin zone
• energy at Fermi level
• energy level diagram
• transitional
• alkaline
• pnictogen
• metalloid
• diamagnetic
• tetragonal
• orthorhombic