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The influence of tellurium impurities and heat treatment on the anisotropy of the magnetoelectric properties of extruded samples of the Bi0.85Sb0.15 solid solution in the range of 77 ÷ 300 K and magnetic field strengths up to ~74 × 104 A/m was studied. It was found that in annealed samples of Bi0.85Sb0.15 with 0.001 at.% tellurium, the absolute values of α in the direction perpendicular to the extrusion axis are more sensitive to the magnetic field than in the parallel direction and the anisotropy of the thermopower (∆α) at a magnetic field strength H = 42 × 104 A/m reaches the value ∆α = 80 μV/K at ~77 K.

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Anisotropic Thermoelectrics Based on Extruded Samples of Bi0.85Sb0.15 Solid Solution Doped with Tellurium

  • 会议论文

  • 发表日期：

    2026年

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  • Mail Tagiyev,
  • Khadija Aliyeva,
  • Tarana Piriyeva,
  • Samira Jafarova

摘要

The influence of tellurium impurities and heat treatment on the anisotropy of the magnetoelectric properties of extruded samples of the Bi0.85Sb0.15 solid solution in the range of 77 ÷ 300 K and magnetic field strengths up to ~74 × 104 A/m was studied. It was found that in annealed samples of Bi0.85Sb0.15 with 0.001 at.% tellurium, the absolute values of α in the direction perpendicular to the extrusion axis are more sensitive to the magnetic field than in the parallel direction and the anisotropy of the thermopower (∆α) at a magnetic field strength H = 42 × 104 A/m reaches the value ∆α = 80 μV/K at ~77 K.