As-F-Fe-O-Sm, Chalcogen, F-x polyhedra, Tetragonal

• As-F-Fe-O-Ru-Sm
• As-F-Fe-O-Sc-Sm
• superconductivity
• structural properties
• electronic and electrical properties
• superconducting transition temperature
• values of superconducting transition temperature
• fluoride
• halogen
• chalcogen
• disordered
• lanthanoid