Using nitrates and etylene diamine tetra acetic acid(EDTA) as raw materials, Nano size La 0.8 Sr 0.2 FeO 3 powder was synthesized by EDTA complexing Sol Gel method at lower temperature.

• 以金属硝酸盐和乙二胺四乙酸 (EDTA)为原料 ；用EDTA络合溶胶 凝胶法合成了La0 .；8Sr0