supported by the National Basic Research Program of China (973) (2007CB31407);Foundation for Innovative Research Groups of the NSFC (60721001);the Young Fund of Sichuan Province (08ZQ026-013);the National Natural Science Foundation of China (50972023, 50872078)
Ca1-xRxCu3Ti4O12(R=La,Y,Gd;x=0,0.1,0.2,0.3) electronic ceramics were fabricated by conventional solid-state reaction method.The microstructure and dielectric properties as well as impedance behavior were carefully inv...