Alkaline, Conductor, Quaternary, Transitional, Kim, Orthorhombic

• Ba-Cu-O-Y
• Ca-La-Mn-O
• As-Ba-Fe-K
• As-Ba-Co-Fe
• As-Ba-Fe-Ru
• magnetic properties
• electronic and electrical properties
• superconductivity
• optical properties
• superconducting transition temperature
• transitional
• alkaline
• conductor
• quaternary
• antiferromagnetic