Abstract
In this study, effects of rare earth oxides Ln2O3 (Ln = Ce, Sm, La, Nd) on crystal structure, phase compositions, and microwave dielectric properties of ixiolite-type Zn0.5Ti0.5NbO4 ceramic were studied based on powder X-ray diffraction patterns and Rietveld refinement methods. Addition of Ln3+ cations brought in a different secondary phase, which strongly relied on the types of Ln elements and their contents. The results show that developments of microwave dielectric properties of (Zn0.5Ti0.5)1−xLnxNbO4 ceramics are mainly dependent on phase compositions and phase contents. Temperature-stable microwave dielectric properties of (Zn0.5Ti0.5)1−xLnxNbO4 (Ln = Sm, x = 0.5) were achieved: εr = 41.01, Q × f = 8583 GHz, τf = 3.60 ppm/°C, sintered at 1200 °C for 4 h.
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Duan, S., Liu, F., Li, L. et al. Effects of rare earth oxides on phase composition and microwave dielectric properties of (Zn0.5Ti0.5)1−xLnxNbO4 ceramic. J Mater Sci: Mater Electron 32, 5482–5488 (2021). https://doi.org/10.1007/s10854-021-05270-5
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DOI: https://doi.org/10.1007/s10854-021-05270-5