As2BaFe1.5Ni0.5, Metalloid, Pnictogen, Transitional

• As-Ba-Fe-Ni
• superconductivity
• electronic and electrical properties
• superconducting transition temperature
• magnetic properties
• conductivity or resistivity
• pnictogen
• quaternary
• alkaline
• metalloid
• transitional
• tetragonal
• orthorhombic