As-Ca-Fe, Budko, Metalloid, Pnictogen

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