Alkaline, Transitional, As-Ba-Fe, Kihou

• As-Ba-Co-Fe
• As-Ba-Fe-K
• As-Ba-Fe-P
• As-Ba-Fe-Ru
• electronic and electrical properties
• superconductivity
• magnetic properties
• structural transitions
• phase transitions
• metalloid
• pnictogen
• arsenide
• alkaline
• transitional
• tetragonal
• orthorhombic