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Conductivity of ultradispersed SnO2 ceramic in strong electric fields

  • Electronic and Optical Properties of Semiconductors
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Abstract

Conductivity for an ultradispersed SnO2 ceramic with an average crystallite size varied from 3 to 22 nm has been studied by voltammetry in fields of up to 2000 V/cm at room temperature. It was shown that current-voltage (I-V) characteristics are nonlinear at field strengths exceeding 200 V/cm. An analysis of the experimental data demonstrated that the characteristic distance between barriers that give rise to the nonlinearity in the I-V characteristics is ∼1 μm in all of the samples studied.

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Authors and Affiliations

  1. Department of Materials Science, Moscow State University, Moscow, 119991, Russia

    R. B. Vasiliev

  2. Department of Chemistry, Moscow State University, Moscow, 119991, Russia

    M. N. Rumyantseva, L. I. Ryabova & A. M. Gaskov

Authors
  1. R. B. Vasiliev
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  2. M. N. Rumyantseva
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  3. L. I. Ryabova
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  4. A. M. Gaskov
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Correspondence to R. B. Vasiliev.

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Original Russian Text © R.B. Vasiliev, M.N. Rumyantseva, L.I. Ryabova, A.M. Gaskov, 2009, published in Fizika i Tekhnika Poluprovodnikov, 2009, Vol. 43, No. 2, pp. 167–169.

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Vasiliev, R.B., Rumyantseva, M.N., Ryabova, L.I. et al. Conductivity of ultradispersed SnO2 ceramic in strong electric fields. Semiconductors 43, 156–157 (2009). https://doi.org/10.1134/S1063782609020067

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  • DOI: https://doi.org/10.1134/S1063782609020067

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