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Linear electro-optical properties of tetragonal BaTiO3

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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.

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

    P U Sastry

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  1. P U Sastry
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Sastry, P.U. Linear electro-optical properties of tetragonal BaTiO3 . Pramana - J Phys 59, 547–552 (2002). https://doi.org/10.1007/s12043-002-0052-1

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  • DOI: https://doi.org/10.1007/s12043-002-0052-1

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