Abstract
Two Li-containing ceramics Li2A2W3O12 (A = Mg, Zn) were prepared by a conventional solid-state reaction method. XRD patterns revealed that Li2Mg2W3O12 ceramic was a single phase with orthorhombic lyonsite-related structure, whereas Li2Zn2W3O12 ceramic was composed of ZnWO4 and Li2WO4 phases. Li2Mg2W3O12 ceramic could be sintered well at 720 °C with permittivity (ε r ) of 8.4, high quality factor (Q × f) of 56,700 GHz and temperature coefficient of resonant frequency (τ f ) of −72.8 ppm/°C.
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Acknowledgments
This work was supported by Natural Science Foundation of China (No. 21261007), the Natural Science Foundation of Guangxi (Grant No. 2012GXNSFDA053024), Project of Department of Science and Technology of Guangxi (No.114122005-28) and Guilin (Nos. 20120112-1, and 20120112-3), and and Projects of Education Department of Guangxi Zhuang Autonomous Region (Nos. KY2015YB122, YB2014160, and ZD2014160).
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Fang, L., Wei, Z., Guo, H. et al. Phase composition and microwave dielectric properties of low-firing Li2A2W3O12 (A = Mg, Zn) ceramics. J Mater Sci: Mater Electron 26, 5892–5895 (2015). https://doi.org/10.1007/s10854-015-3158-1
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DOI: https://doi.org/10.1007/s10854-015-3158-1