Low temperature reaction-sintering and microwave dielectric properties of ZnO–Nb2O5–2TiO2 ceramics



Low-temperature fired ZnO–Nb2O5–2TiO2 ceramics co-doped with CuO–V2O5 were fabricated by a reaction-sintering process. CuO–V2O5 addition effectively lowered the sintering temperature of ZnO–Nb2O5–2TiO2 ceramics to 950°C due to the liquid phase sintering. The phase compositions and microwave dielectric properties of ZnO–Nb2O5–2TiO2 ceramics depended on the CuO–V2O5 content and sintering temperatures. Typically, 1.5 wt% CuO–V2O5 co-doped ceramics sintered at 950°C for 5 h exhibited optimum microwave dielectric properties of ε r  = 45.9, Q × f = 12,200 GHz, τ f  = −1.8 ppm/°C. In addition, such sample was compatible with Ag electrode, suitable for the low-temperature co-fired ceramics (LTCC) applications.


Sinter Temperature V2O5 Nb2O5 Microwave Dielectric Property Increase Sinter Temperature 
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This work is supported by the National Natural Science Foundation of China (Grant No:51272150 and 51572162) and Specialized Research Fund for the Doctoral Program of Higher Education (No.201202110004) and the Fundamental Research Funds for the Central Universities (GK201401003).


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© Springer Science+Business Media New York 2016

Authors and Affiliations

  1. 1.School of Physics and Information TechnologyShaanxi Normal UniversityXi’anChina

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