Abstract
The gadolinium (Gd)-modified lead zirconate titanate (i.e., Pb1−xGdx (Zr0.65Ti0.35)1−x/4O3; x = 0, 0.07, 0.10 and 0.12) ceramics have been synthesized using a high-temperature (~1,100 °C) solid-state reaction route. Preliminary X-ray structural studies show the formation of single-phase compounds in the tetragonal crystal system. Scanning electron micrographs of the surface of pellet samples show uniform distribution of grains of different shape and size with few voids. It is interesting to observe the significant effect of Gd-substitution on the nature, size, and distribution of grains, and the density of samples. Detailed analysis of dielectric properties of the materials indicates that the materials are non-relaxor but have diffused ferroelectric phase transition. The temperature and frequency dependence of conductivity follows Jonscher’s universal power law.
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Panigrahi, S.C., Das, P.R., Parida, B.N. et al. Effect of Gd-substitution on dielectric and transport properties of lead zirconate titanate ceramics. J Mater Sci: Mater Electron 24, 3275–3283 (2013). https://doi.org/10.1007/s10854-013-1243-x
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DOI: https://doi.org/10.1007/s10854-013-1243-x