Chalcogen, Metal, Katsura

• O-V
• Pd-S-Ta
• Fe-O
• As-Fe-Mg-O-Sr-Ti
• As-Co-Fe-Mg-O-Sr-Ti
• superconductivity
• structural properties
• superconducting transition temperature
• values of superconducting transition temperature
• magnetic properties
• metal
• chalcogen
• transitional
• oxide
• conductor
• tetragonal
• cubic
• monoclinic
• triclinic
• trigonal