Abstract
The magnetization M under temperature 1.72K in the range of magnetic field B 0‐5T and the magnetic susceptibility (MS) under magnetic field 0.1T in the temperature range 1.7 400K of the powder and crystal PbTe:Eu samples fabricated from the bulk and surface layers of the doped ingots grown from the melt by the Bridgman method are investigated. Specific magnetic properties in the Eu-doped PbTe single crystals are revealed: (i) the strong dierences between the magnetization and MS of the surface and bulk of the PbTe:Eu doped ingots; (ii) strong paramagnetism of the surface layers practically independent of T in the temperature range over 30K; (iii) the principal discrepancies between the temperature dependences of MS of the crystal matrix of powder and crystal doped samples. Possible mechanisms of the appearance of the mentioned peculiarities of the magnetic properties of dierent
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