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Slow relaxation of a polydomain ferroelectric in weak electric fields

  • Magnetism and Ferroelectricity
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Abstract

Polarization relaxation of a polydomain ferroelectric (triglycine sulfate) in weak electric fields has been studied. A phenomenological description of the relaxation process is proposed, which is based on the concept of thermally activated motion of domain walls through energy barriers created by inhomogeneities, and of the existence distribution spectra of relaxation times τ and barrier energies E g. Possible spectra were constructed from experimental data, and their characteristic parameters were determined for various electric fields E. It is shown that the width of the barrier energy spectrum ΔE g is practically independent of E and may probably be considered as a characteristic of crystal inhomogeneity.

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Authors and Affiliations

  1. Institute of Crystallography, Russian Academy of Sciences, 117333, Moscow, Russia

    V. V. Gladkii, V. A. Kirikov & E. S. Ivanova

Authors
  1. V. V. Gladkii
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  2. V. A. Kirikov
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  3. E. S. Ivanova
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Fiz. Tverd. Tela (St. Petersburg) 39, 353–357 (February 1997)

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Gladkii, V.V., Kirikov, V.A. & Ivanova, E.S. Slow relaxation of a polydomain ferroelectric in weak electric fields. Phys. Solid State 39, 308–311 (1997). https://doi.org/10.1134/1.1129841

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  • DOI: https://doi.org/10.1134/1.1129841

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