69, Alkaline, Antiferromagnetic, Pnictogen

• As-Ba-Fe
• As-Ba-Fe-K
• As-Fe-Sr
• As-Ba-Co-Fe
• As-Ca-Fe
• magnetic properties
• electronic and electrical properties
• phase transitions
• structural transitions
• conductivity or resistivity
• transitional
• alkaline
• antiferromagnetic
• pnictogen
• metalloid
• orthorhombic