论文部分内容阅读
<正>Zn O-Bi_2O_3 varistorfilms doped with two kinds of rare earth element oxides(Lu_2O_3,Yb_2O_3)were prepared by the sol-gel method.The effects of Lu_2O_3/Yb__2O__3 doping on microstructure and electrical characteristics of ZnO-Bi_2O_3 varistor film