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    • Hua-Rui Xu

      Articles written in Bulletin of Materials Science

    • Volume 34 Issue 6 October 2011 pp 1233-1236

      Low-firing Li2ZnTi3O8 microwave dielectric ceramics with BaCu(B2O5) additive

      Guo-Hua Chen Jin Liu Xu-Qiong Li Hua-Rui Xu Min-Hong Jiang Chang-Rong Zhou

      More Details Abstract Fulltext PDF

      Phase purity, microstructure, sinterability and microwave dielectric properties of BaCu(B2O5)-added Li2ZnTi3O8 ceramics and their cofireability with Ag electrode were investigated. A small amount of BaCu (B2O5) can effectively reduce the sintering temperature from 1075°C to 925°C, and it does not induce much degradation of the microwave dielectric properties. Microwave dielectric properties of 𝜀r = 23.1, 𝑄 × 𝑓 = 22,732 GHz and 𝜏𝑓= −17.6 ppm/°C were obtained for Li2ZnTi3O8 ceramic with 1.5 wt% BaCu(B2O5) sintered at 925°C for 4 h. The Li2ZnTi3O8 +BCB ceramics can be compatible with Ag electrode, which makes it a promising microwave dielectric material for low-temperature co-fired ceramic technology application.

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