Temperature Compensated (1-x)(Na_(0.5)La_(0.5))TiO_3+xCeO_2 Microwave Dielectric Ceramics Incorporated with Copper Oxide

摘要

The microstructures and microwave dielectric properties of temperature compensated composite ceramics (1-x)(Na_(0.5)La_(0.5))TiO_3+xCeO_2 doped with lwt%CuO were investigated. Dense and mixed phase samples were produced in the range of 0.1 ≤ x ≤ 0.9, As x value increases the Qf increases non-linearly while the dielectric constant decreases almost linearly. The compensated τ_f value is obtained in 0.1(Na_(0.5)La_(0.5))TiO_3 + 0.9CeO_2 + lwt%CuO ceramic with the Qf and ε_r being 8240GHz and 32.0 respectively.