Abstract
Li3Mg2SbO6 ceramics without dehiscence were prepared using a two-stage process. The sintering behavior, structure, and microwave dielectric performances of Li3Mg2SbO6 ceramics had been investigated. XRD and Raman results showed that nearly pure phase Li3Mg2SbO6 were obtained in the sintering temperature range of 1225–1350 °C. The quality factor (Qxf) and relative permittivity (εr) values of samples were strongly influenced by the density, grain size, and cell volume. Typically, balanced microwave dielectric properties were obtained for Li3Mg2SbO6 ceramics sintered at 1300 °C:εr∼10.5, Qxf∼84,600 GHz (at 10.6 GHz), and temperature coefficient of resonance frequency τf ∼ -9.0 ppm/oC.
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