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Dielectric losses in submicrometer barium titanate near the Curie temperature

  • Proceedings of the VIII (XIII) International Seminar on the Physics of Ferroelastics
  • Published:
Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

Low-frequency dielectric losses (tanδ) in barium titanate ceramics with crystallite sizes of ~100 nm near the Curie temperature are studied. It is shown that the observed tanδ maximum is described by a low-frequency fluctuation mechanism of dielectric losses. An analysis of experimental data shows that the critical nucleus size in ultrafine material is smaller than the one in bulk barium titanate.

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References

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Author information

Authors and Affiliations

  1. Voronezh State Technical University, Voronezh, 394026, Russia

    L. N. Korotkov, W. M. Al Mandalawi & E. A. Zhmachenko

  2. Voronezh Institute of the RF Ministry of Internal Affairs, Voronezh, 394065, Russia

    T. N. Korotkova

  3. Kursk State University, Kursk, 305000, Russia

    N. A. Emelianov

Authors
  1. L. N. Korotkov
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  2. W. M. Al Mandalawi
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  3. T. N. Korotkova
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  4. N. A. Emelianov
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  5. E. A. Zhmachenko
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Corresponding author

Correspondence to L. N. Korotkov.

Additional information

Original Russian Text © L.N. Korotkov, W.M. Al Mandalawi, T.N. Korotkova, N.A. Emelianov, E.A. Zhmachenko, 2016, published in Izvestiya Rossiiskoi Akademii Nauk, Seriya Fizicheskaya, 2016, Vol. 80, No. 9, pp. 1173–1175.

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Korotkov, L.N., Al Mandalawi, W.M., Korotkova, T.N. et al. Dielectric losses in submicrometer barium titanate near the Curie temperature. Bull. Russ. Acad. Sci. Phys. 80, 1074–1076 (2016). https://doi.org/10.3103/S1062873816090240

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  • DOI: https://doi.org/10.3103/S1062873816090240

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