• M R Srinivasan

      Articles written in Pramana – Journal of Physics

    • Dielectric behaviour of anisotropic ionic crystals

      M R Srinivasan P S Narayanan

      More Details Abstract Fulltext PDF

      In the case of cubic ionic crystals Havinga has shown that the temperature variation of dielectric constant could be described in terms of volume and temperature effects. By extending his formalism to anisotropic, ionic crystals it has been shown that unlike in cubic ionic crystals where the volume effect consists of a change in the number per unit volume of the polarizable particles and their polarizability with volume, in the case of anisotropic ionic crystals, in addition to these, a variation in the anisotropy of polarizability due to uneven thermal expansion also has to be taken into account. This method of analysis has been examined by taking rutile as an example.

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