• Ch Durga Prasad

      Articles written in Bulletin of Materials Science

    • Dielectric properties of the system Ca1 −xLaxTi1 −xCoxO3

      Ch Durga Prasad H S Tewari Devendra Kumar Om Parkash

      More Details Abstract Fulltext PDF

      Dielectric behaviour of samples of the system Ca1 −xLaxTi1 −xCoxO3 withx ⩽ 0·20 has been studied in the temperature range 300–525 K as a function of frequency. The strong dispersion ofɛ andD observed in these materials indicate the significant contribution of interfacial polarisation to the observed dielectric properties. The interfacial polarisation arises due to the presence of microscopic chemical heterogeneities arising out of the slow diffusion-controlled solid state sintering process used for their preparation.

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