Van roekeghem

• As-Ba-Fe-Ru
• F-Sc
• As-Ba-Cu
• Ni-Se-Ti
• As-Ba-Cr
• energy band structure
• electronic and electrical properties
• superconductivity
• optical properties
• angle-resolved photoelectron spectra
• transitional
• pnictogen
• metalloid
• alkaline
• quaternary
• tetragonal