FIELD: metallurgy.
SUBSTANCE: semi-conducting material with conductivity p- or n-type on base of alloyed lead tellurides has compound of common formula (1) 
with following values: in each case independently n corresponds to amount of chemical elements different from Pb and Te, 1 part/mln ≤x1, …, xn≤0.05, -0.05≤z≤0.05 and n=2, A1 … An -different from each other and are chosen from a group of elements: Al, Ge, Sn, Bi, Ti, Zr, Hf, Nb, Ta, Cu, Ag, or n=1, A1 chosen from Zr, Ag, Cu.
EFFECT: materials are highly efficient and possess properties suitable for various regions of application.
3 cl, 4 ex
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