As-Fe-La-O, Chalcogen, Conductor, Metal, Orthorhombic

• As-F-Fe-La-O
• As-Fe-La-O-Y
• As-Fe-La-O-Sm-Sr
• As-Fe-La-O-Sr
• magnetic properties
• electronic and electrical properties
• phase transitions
• structural transitions
• temperature for structural transition
• lanthanoid
• metal
• chalcogen
• conductor
• metalloid