In this article, some electron-doped powder samples of manganese oxides La_xCa_(1-x-y)MnO_3 (x=0.08,0.2) and Y_xCa_(1-x-y)MnO_3 (x=0.1,0.2) with A-site vacancy were synthesized using the solid-state reaction technique.

• 本论文利用标准的固相反应法制备了A位引入空位的La_xCa_(1-x-y)MnO_3(x=0.；08，0