Abstract
The modified Li3+xMg2-xZnxNb1-xTixO6 ceramics were fabricated through a conventional solid-state reaction method. The charge compensation of Zn2+ ions substitution into Mg2+ site and Ti4+ ions substitution into Nb5+ site of Li3Mg2NbO6 ceramics were performed by introducing lithium ions. XRD patterns analysis and Rietveld refinements verified that Li3+xMg2-xZnxNb1-xTixO6 ceramics displayed an orthorhombic structure accompany with a little of impure phase. B/C site modification improved dielectric properties. An optimal dielectric properties of εr = 16.3, Q×f = 93,100 GHz, and τf = −34.1 ppm/°C were acquired for Li3.04Mg1.96Zn0.04Nb0.96Ti0.04O6 ceramics, which heralds their microwave application potential.
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