Conductor, Quaternary, Transitional, Kim, Tetragonal

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