Abstract

We have analyzed the temperature and magnetic-field dependences of resistivity ρ(T, H) of semiconducting compound Pb0.45Sn0.55Te doped with 5 at % In under a hydrostatic compression at P 4.8 kbar at T > 1 K (T c = 1.72 K at a level of 0.5ρ N at P = 6.8 kbar). We consider the model describing the low-temperature “dielectrization” of the semiconducting solid solution and the formation of the superconducting state upon an increase in the hydrostatic compression P > 4 kbar.

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