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Ionic conductivity and dielectric relaxation in γ-irradiated TlGaTe2 crystals

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Abstract

The switching effect, field and temperature dependences of the permittivity and conductivity of TlGaTe2 crystals subjected to various γ-irradiation doses are studied. Under rather low electric fields, the phenomenon of threshold switching with an S-shaped current-voltage characteristic containing a portion with negative differential resistance is observed in the crystals. In the region of critical voltages, current and voltage oscillations and imposed modulation are observed. Possible mechanisms of switching, ionic conductivity, disorder, and electrical instability in TlGaTe2 crystals are discussed.

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Authors and Affiliations

  1. Institute of Radiation Problems, National Academy of Sciences of Azerbaijan, H. Javid ave. 31a, Baku, AZ-1143, Azerbaijan

    R. M. Sardarli, O. A. Samedov, A. P. Abdullayev, F. T. Salmanov, N. A. Alieva & R. Sh. Agaeva

  2. Institute of Physics, National Academy of Sciences of Azerbaijan, H. Javid ave. 33, Baku, Az-1143, Azerbaijan

    E. K. Huseynov

Authors
  1. R. M. Sardarli
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  2. O. A. Samedov
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  3. A. P. Abdullayev
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  4. E. K. Huseynov
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  5. F. T. Salmanov
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  6. N. A. Alieva
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  7. R. Sh. Agaeva
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Correspondence to R. M. Sardarli.

Additional information

Original Russian Text © R.M. Sardarli, O.A. Samedov, A.P. Abdullayev, E.K. Huseynov, F.T. Salmanov, N.A. Alieva, R.Sh. Agaeva, 2013, published in Fizika i Tekhnika Poluprovodnikov, 2013, Vol. 47, No. 5, pp. 696–701.

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Sardarli, R.M., Samedov, O.A., Abdullayev, A.P. et al. Ionic conductivity and dielectric relaxation in γ-irradiated TlGaTe2 crystals. Semiconductors 47, 707–712 (2013). https://doi.org/10.1134/S1063782613050199

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  • DOI: https://doi.org/10.1134/S1063782613050199

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