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Photoconductivity of PbTe:In films with variable microstructure

  • Microcrystalline, Nanocrystalline, Porous, and Composite Semiconductors
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Abstract

It is shown that the microstructure and features of formation of surface states in nanocrystalline and polycrystalline PbTe:In films most significantly affect the character of photoconductivity in the spectral range of 1–2.5 THz. We present the results of a study and comparative analysis of the character of conductivity of PbTe:In films in the temperature range from 4.2 to 300 K in a static mode and in variable electric fields with a frequency of up to 1 MHz with illumination with white light and under the effect of high-power terahertz laser pulses with a wavelength of up to 280 μm.

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Authors and Affiliations

  1. Moscow State University, Moscow, 119899, Russia

    V. I. Chernichkin, A. A. Dobrovolsky, L. I. Ryabova & D. R. Khokhlov

  2. Ben-Gurion University, 84105, Beer Sheva, Israel

    Z. M. Dashevsky & V. A. Kasiyan

  3. University of Regensburg, D-93053, Regensburg, Germany

    V. V. Bel’kov, S. D. Ganichev & S. N. Danilov

Authors
  1. V. I. Chernichkin
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  2. A. A. Dobrovolsky
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  3. Z. M. Dashevsky
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  4. V. A. Kasiyan
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  5. V. V. Bel’kov
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  6. S. D. Ganichev
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  7. S. N. Danilov
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  8. L. I. Ryabova
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  9. D. R. Khokhlov
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Corresponding author

Correspondence to L. I. Ryabova.

Additional information

Original Russian Text © V.I. Chernichkin, A.A. Dobrovolsky, Z.M. Dashevsky, V.A. Kasiyan, V.V. Bel’kov, S.D. Ganichev, S.N. Danilov, L.I. Ryabova, D.R. Khokhlov, 2011, published in Fizika i Tekhnika Poluprovodnikov, 2011, Vol. 45, No. 11, pp. 1533–1537.

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Chernichkin, V.I., Dobrovolsky, A.A., Dashevsky, Z.M. et al. Photoconductivity of PbTe:In films with variable microstructure. Semiconductors 45, 1474–1478 (2011). https://doi.org/10.1134/S1063782611110091

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  • DOI: https://doi.org/10.1134/S1063782611110091

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