As-Ba-Fe, As-x polyhedra, Structural transitions

• As-Ba-Fe-K
• As-Ba-Co-Fe
• As-Ba-Fe-Ru
• As-Ba-Fe-P
• temperature for structural transition
• pressure for structural transition
• pressure derivative of transition temperature
• transitional
• alkaline
• metalloid
• pnictogen
• diamagnetic
• tetragonal
• orthorhombic