• Linear electro-optical properties of tetragonal BaTiO3

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    • Keywords


      Ferroelectrics; crystal structure; electro-optical; bond charge

    • Abstract


      Linear optical susceptibility and clamped linear electro-optical tensor coefficients of tetragonal BaTiO3 are calculated using a formalism based on bond charge theory. Calculated values are in close agreement with experimental data. The covalent Ti-O bonds constituting distorted TiO6 octahedral groups are found to be major contributors to the electro-optic coefficients making them more sensitive than the BaO12 groups for these properties. Orientations of chemical bonds play an important role in determining these properties.

    • Author Affiliations


      P U Sastry1

      1. Solid State Physics Division, Bhabha Atomic Research Centre, Trombay, Mumbai - 400 085, India
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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