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Electrostatic model of the α-LiIO3 pyroelectric

  • Physical Properties of Crystals
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Abstract

The range of possible combinations of the components of the electronic-polarizability tensors of oxygen and iodine ions and the effective charges of these ions is established on the basis of the experimental study of the parameters of the electric-field gradient tensor at 7Li nuclei in an α-LiIO3 crystal and the calculation of the electric-field gradient from the classical electrostatic model. The I-O bonds in α-LiIO3 are shown to be mixed ionic-covalent bonds with low ionicity. Spontaneous polarization of the crystal is estimated.

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Authors and Affiliations

  1. Taurida National University, Yaltinskaya ul. 4, Simferopol, 95007, Ukraine

    A. V. Yatsenko

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  1. A. V. Yatsenko
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__________

Translated from Kristallografiya, Vol. 50, No. 6, 2005, pp. 1054–1059.

Original Russian Text Copyright © 2005 by Yatsenko.

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Yatsenko, A.V. Electrostatic model of the α-LiIO3 pyroelectric. Crystallogr. Rep. 50, 976–981 (2005). https://doi.org/10.1134/1.2132406

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  • DOI: https://doi.org/10.1134/1.2132406

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