As-x polyhedra, Metalloid, Structural transitions

• As-Ba-Fe
• As-Fe-Sr
• As-Ba-Fe-K
• As-Fe-La-O
• As-Ba-Co-Fe
• temperature for structural transition
• pressure for structural transition
• pressure derivative of transition temperature
• pnictogen
• metalloid
• transitional
• metal
• non-disordered
• tetragonal
• orthorhombic
• cubic
• hexagonal
• monoclinic