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Growth and study of PbFe1/2Ta1/2O3 single crystals

  • Lattice Dynamics and Phase Transitions
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Abstract

Single crystals of the composition PbFe1/2Ta1/2O3 are grown by the method of mass crystallization from flux. It is established that, unlike the PbFe1/2Ta1/2O3 ceramic, the synthesized single crystals possess pronounced relaxor properties: the maximum of the dielectric constant is diffuse and its temperature, T m, increases by more than 70 K with an increase in the frequency from 102 to 106 Hz. It is assumed that the unusual properties of the PbFe1/2Ta1/2O3 crystals are caused by mesoscopically inhomogeneous compositional ordering and comparatively high conductivity providing favorable conditions for the appearance of the volume-charge and thermal electron polarization.

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Authors and Affiliations

  1. Research Institute of Physics, Rostov State University, pr. Stachki 194, Rostov-on-Don, 344090, Russia

    I. P. Raevskii, V. V. Eremkin, V. G. Smotrakov, M. A. Malitskaya, S. A. Bogatina & L. A. Shilkina

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  1. I. P. Raevskii
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  2. V. V. Eremkin
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  3. V. G. Smotrakov
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  4. M. A. Malitskaya
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  5. S. A. Bogatina
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  6. L. A. Shilkina
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__________

Translated from Kristallografiya, Vol. 47, No. 6, 2002, pp. 1076–1080.

Original Russian Text Copyright © 2002 by Raevski\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\), Eremkin, Smotrakov, Malitskaya, Bogatina, Shilkina.

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Raevskii, I.P., Eremkin, V.V., Smotrakov, V.G. et al. Growth and study of PbFe1/2Ta1/2O3 single crystals. Crystallogr. Rep. 47, 1007–1011 (2002). https://doi.org/10.1134/1.1523518

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  • DOI: https://doi.org/10.1134/1.1523518

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