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Microwave dielectric properties of Li2MgTi3O8 ceramics produced by reaction-sintering method

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Abstract

Li2MgTi3O8 ceramics were prepared by reaction-sintering method (free calcination) for the first time and its microwave dielectric properties were investigated. A single phase of Li2MgTi3O8 ceramic was confirmed by XRD pattern. The variation of microstructures was analyzed by SEM. With increasing sintering temperature, the bulk density decreased, the εr and Q × f increased firstly and then decreased, while the τf changed slightly and remained around 1.5 ppm/ °C. In particular, Li2MgTi3O8 ceramics sintered by reaction-sintering method at 1100 °C for 5 h exhibited fine combination microwave dielectric properties of εr = 23.0, Q × f = 54 052 GHz (at 7.29 GHz) and τf = 1.5 ppm/ °C.

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Acknowledgments

This work is supported by the National Natural Science Foundation of China (Grants Nos 51272150, 51072110 and 51132003) and Open Fund of State Key Laboratory of Electronic Thin Films and Integrated Devices, UESTC(Grant No KFJJ201106), and Shaan xi Province Department Education (No. 11JK0829).

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Authors and Affiliations

  1. College of Physics and Information Technology, Shaanxi Normal University, Xi’an, 710062, China

    P. Liu

  2. School of Science, Xi’an University of Posts and Telecommunications, Xi’an, 710121, China

    G. G. Yao

  3. The Key Laboratory of Electronic Thin Film and Integrated Device, University of Electronic Science and Technology of China, Chengdu, 610054, China

    H. W. Zhang

Authors
  1. G. G. Yao
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  2. P. Liu
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  3. H. W. Zhang
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Correspondence to P. Liu.

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Yao, G.G., Liu, P. & Zhang, H.W. Microwave dielectric properties of Li2MgTi3O8 ceramics produced by reaction-sintering method. J Mater Sci: Mater Electron 24, 1128–1131 (2013). https://doi.org/10.1007/s10854-012-0894-3

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  • DOI: https://doi.org/10.1007/s10854-012-0894-3

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