%0 Journal Article %T Ti对(La_(2/3)Ca_(1/3))(Mn_(1-y)Ti_y)O_3体系巨磁电阻效应和电特性的影响 %A 徐明祥 %A 焦正宽 %J 硅酸盐学报 %D 1999 %U http://www.jccsoc.com/Magazine/Show.aspx?ID=18499