As-F-Fe-La-O, Chalcogen, P4/nmm

• As-F-Fe-La-O-Y
• As-F-Fe-La-Na-O
• As-F-Fe-La-O-P
• As-F-Fe-La-O-Sm
• electronic and electrical properties
• superconductivity
• conductivity or resistivity
• superconducting transition temperature
• structural properties
• lanthanoid
• disordered
• chalcogen
• halogen
• metalloid
• tetragonal