Alkaline, Metalloid, As-Ba-Fe, As-x polyhedra

• As-Ba-Fe-K
• As-Ba-Co-Fe
• As-Ba-Fe-Ru
• As-Ba-Fe-P
• electronic and electrical properties
• superconductivity
• magnetic properties
• conductivity or resistivity
• thermal and thermodynamic properties
• transitional
• alkaline
• metalloid
• pnictogen
• diamagnetic
• tetragonal
• orthorhombic
• trigonal
• cubic
• monoclinic