Kawahara

• As-Ba-Fe-K
• As-Fe-O-Sr-V
• Al-K-O-Si
• F-O-Ru-Sr
• Fe-La-O-Sr-Ti
• structural properties
• energy band structure
• electronic and electrical properties
• superconductivity
• thermal expansion
• chalcogen
• transitional
• alkaline
• quaternary
• metalloid
• tetragonal
• orthorhombic
• monoclinic
• hexagonal
• triclinic