CeO 2) 0.9- x (GdO 1.5 ) x (Sm 2O 3) 0.1 powders were synthesized by employing both sol-gel and low temperature combustion methods.

• 采用溶胶 -凝胶法与低温燃烧法相结合 ；合成了 (CeO2 ) 0 .；9-x(GdO1