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Dielectric relaxation in SrTiO3: Mn

  • Defects, Dislocations, and Physics of Strength
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Abstract

Dielectric relaxation (activation energy U≈0.03 eV, relaxation time τ0≈5×10−11 s) has been observed in SrTiO3: Mn solid solutions at low temperatures. It is assumed that the relaxation is related to reorientation of the polarons localized at defects of the {Mn 2+Ti -O−} type and that the deviations from classical thermally activated behavior at the lowest temperatures reached are due to the quantum tunneling mode.

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Authors and Affiliations

  1. Ioffe Physicotechnical Institute, Russian Academy of Sciences, Politekhnicheskaya ul. 26, St. Petersburg, 194021, Russia

    V. V. Lemanov, E. P. Smirnova & A. V. Sotnikov

  2. Leibnitz Institute of Solid State and Materials Research, Dresden, D-01069, Germany

    A. V. Sotnikov & M. Weihnacht

Authors
  1. V. V. Lemanov
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  2. E. P. Smirnova
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  3. A. V. Sotnikov
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  4. M. Weihnacht
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__________

Translated from Fizika Tverdogo Tela, Vol. 46, No. 8, 2004, pp. 1402–1408.

Original Russian Text Copyright © 2004 by Lemanov, Smirnova, Sotnikov, Weihnacht.

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Lemanov, V.V., Smirnova, E.P., Sotnikov, A.V. et al. Dielectric relaxation in SrTiO3: Mn. Phys. Solid State 46, 1442–1448 (2004). https://doi.org/10.1134/1.1788776

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  • DOI: https://doi.org/10.1134/1.1788776

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