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Microwave dielectric properties of the binary system BiNbO4–FeNbO4
Authors: Devesa, S.; Graça, M. P.; Costa, L. C
Ref.: ECS J. Solid State Sci. Technol. 9(9), 093010 (2020)
Abstract: The microwave dielectric properties of BiNbO4–FeNbO4 ceramics prepared by the conventional solid-state reaction method, and co-fired at low temperature, had been investigated. The structure, phase composition and surface morphology were studied by X-ray diffraction and scanning electron microscopy techniques, respectively. The dielectric properties of the prepared samples were determined at ≈2.8 GHz, using the modified resonant cavity perturbation method, which accuracy was previously studied using typical cylindrical samples of polytetrafluorethylene. The experimental dielectric constant values of the samples were then fitted to the theoretical curves of different mixture laws.
