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Microwave dielectric properties of BiVO4/Li0.5Re0.5WO4 (Re = La, Nd) ultra-low firing ceramics

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Abstract

A series of dense ceramic samples in the (1 − x)BiVO4–xLi0.5Re0.5WO4 (Re = La, Nd; 0.05 ≤ x≤0.11) has been prepared by using the traditional solid state reaction method. A single solid solution phase with monoclinic structure is formed through the entire compositions and the unit cell volume increases linearly with x. When x = 0.09, the composition of 0.91BiVO4–0.09 Li0.5La0.5WO4 readily sintered at 750 °C shows good microwave properties with εr of 76.7, Q × f of 6789 GHz and τ f of 7.3 ppm/°C. As x = 0.08, the 0.92BiVO4–0.08Li0.5Nd0.5WO4 ceramic sintered at 750 °C possesses excellent microwave dielectric properties of εr = 71.8, Q × f = 7482 GHz and τ f  = 0.8 ppm/°C. These ceramics have applications for microwave devices requiring high permittivity and ultra-low sintering temperature.

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Acknowledgments

This work was supported by the Research funds of The Guangxi Key Laboratory of Information Materials (Nos. 1210908-05-Z and 131004-Z) and the Research funds of Guangxi Experiment Center of Information Science (No. 20130115).

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Authors and Affiliations

  1. School of Materials Science and Engineering, Guangxi Key Laboratory of Information Materials, Guilin University of Electronic Technology, Guilin, 541004, China

    G. H. Chen, F. F. Gu, M. Pan, L. Q. Yao, X. Chen, Y. Yang, T. Yang, C. L. Yuan & C. R. Zhou

  2. Department of Mechanical, Materials and Manufacturing Engineering, University of Nottingham, Nottingham, NG7 2RD, UK

    M. Li

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  1. G. H. Chen
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  2. F. F. Gu
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Correspondence to G. H. Chen.

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Chen, G.H., Gu, F.F., Pan, M. et al. Microwave dielectric properties of BiVO4/Li0.5Re0.5WO4 (Re = La, Nd) ultra-low firing ceramics. J Mater Sci: Mater Electron 26, 6511–6517 (2015). https://doi.org/10.1007/s10854-015-3246-2

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  • DOI: https://doi.org/10.1007/s10854-015-3246-2

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