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Phase states and magnetic structure of superconducting lead inclusions in a narrow-gap PbTe semiconducting host

  • Electronic and Optical Properties of Semiconductors
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Abstract

Samples of the narrow-gap semiconductor PbTe with n-and p-type conductivities are investigated using a SQUID magnetometer in the temperature range 1.7–20 K and in magnetic fields up to 1 kOe. It is shown that there are microscopic inclusions of superconducting lead with minimum dimensions ∼1300 Å containing ∼(1−5)×1018 lead atoms/cm3 in the lead telluride matrix and that the samples undergo a phase transition that is characteristic of type-II superconductors.

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Authors and Affiliations

  1. Institute of Semiconductor Physics, Ukrainian National Academy of Sciences, 252028, Kiev, Ukraine

    S. D. Darchuk, L. A. Korovina & F. F. Sizov

  2. Institute of Physics, Polish Academy of Sciences, PL02668, Warsaw, Poland

    T. Dietl, S. Kolesnik & M. Sawicki

Authors
  1. S. D. Darchuk
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  2. L. A. Korovina
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  3. F. F. Sizov
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  4. T. Dietl
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  5. S. Kolesnik
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  6. M. Sawicki
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Additional information

Fiz. Tekh. Poluprovodn. 32, 786–790 (July 1998)

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Darchuk, S.D., Korovina, L.A., Sizov, F.F. et al. Phase states and magnetic structure of superconducting lead inclusions in a narrow-gap PbTe semiconducting host. Semiconductors 32, 700–703 (1998). https://doi.org/10.1134/1.1187487

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  • DOI: https://doi.org/10.1134/1.1187487

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