As-Fe-La-O, As-x polyhedra, Structural transitions

• As-F-Fe-La-O
• As-Fe-La-O-Sb
• As-Fe-La-Mn-O
• temperature for structural transition
• pressure derivative of transition temperature
• structural transition
• oxide
• chalcogen
• lanthanoid
• metalloid
• pnictogen
• orthorhombic
• tetragonal