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Microwave dielectric properties and compatibility with silver of low-fired Ba2Ti3Nb4O18 ceramics with BaCu(B2O5) addition

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Abstract

The effects of BaCu(B2O5) (BCB) additions on the sintering temperature and microwave dielectric properties of Ba2Ti3Nb4O18 ceramic have been investigated. The addition of BCB can lower the sintering temperature of Ba2Ti3Nb4O18 ceramic from 1,250 to 900 °C and induce no obvious degradation of the microwave dielectric properties. Typically, the 5 wt% BCB added Ba2Ti3Nb4O18 ceramic sintered at 900 °C for 2 h exhibited good microwave dielectric properties of Q × f = 17,600 GHz, ε r = 38.2 and τ f  = 7 ppm/°C. The dielectric ceramic demonstrated stability against the reaction with the Ag electrode, which suggests that the ceramics could be applied in multilayer microwave devices requiring low sintering temperatures.

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Acknowledgments

This work was supported by Natural Science Foundation of Guangxi (No. 2011GXNSFB018012, 0832003Z and No.0832001), Research start-up funds Dr. of Guilin University of Technology (No. 002401003281, and 002401003282), Natural Science Foundation of China (No.50962004, and 50762002), and Program for NCET-06-0656, MOE, China.

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Authors and Affiliations

  1. Key laboratory of Nonferrous Materials and New Processing Technology, Ministry of Education, Guilin University of Technology, Guilin, 541004, China

    Huanfu Zhou, Xiaobin Liu, Xiuli Chen & Liang Fang

  2. Electronic Materials Research Laboratory, Key Laboratory of the Ministry of the Education, Xi’an Jiaotong University, Xi’an, 710049, China

    Hong Wang

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  1. Huanfu Zhou
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  2. Xiaobin Liu
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  3. Xiuli Chen
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  4. Liang Fang
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  5. Hong Wang
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Correspondence to Huanfu Zhou.

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Zhou, H., Liu, X., Chen, X. et al. Microwave dielectric properties and compatibility with silver of low-fired Ba2Ti3Nb4O18 ceramics with BaCu(B2O5) addition. J Mater Sci: Mater Electron 23, 238–242 (2012). https://doi.org/10.1007/s10854-011-0393-y

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