Abstract
In this work, the influence of Lu2O3 doped on the dielectric and electrical properties of CaCu3Ti4O12 was reported. Lu2O3-doped CCTO was prepared by a conventional solid state technique using CuO, TiO2, and CaCO3 as starting materials. The samples were studied by X-ray diffraction (XRD) and scanning electron microscopy (SEM); dielectric measurements were measured in the 102Hz–107Hz frequency range at room temperature; and the nonlinear behavior of all samples was measured. The doping of Lu2O3 resulted in an increase in the dielectric constant of CCTO, but decreased the stability of the frequency dependence. Increasing concentrations of Lu2O3 resulted in decreasing nonlinear coefficients.
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