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Dielectric and conductivity behavior of modified Li-based perovskite compounds

M.Girija, S.B.Gama, R.L.Raibagkar

The dielectric and conductivity properties of complex perovskite with general formula Li (Nd1/4B1/2Nb1/4)O3where B=Ti+4, Zr+4 andMn+4 ceramics have been investigated. These ceramics were prepared by solid state reaction technique. Preliminary structural studies revealed that the material consists of hexagonal perovskite structure. The dielectric constant (k) and loss tangent of the samples were determined at different temperatures (32-500ï‚°C) and in the frequency range 100 Hz - 1MHz. The conductivity behavior of the samples was also studied.