Alkaline, Conductor, Quaternary, Kim, Tetragonal

• As-Ba-Co-Fe
• Bi-Mn-O-Sr
• Nb-O-Sr-Ti
• As-Ba-Fe-K
• As-Ba-Fe-Li
• magnetic properties
• superconductivity
• electronic and electrical properties
• optical properties
• magnetic susceptibility
• transitional
• alkaline
• conductor
• quaternary
• disordered