, Volume 32, Issue 2, pp 161–166 | Cite as

Temperature dependence of electrical conductivity and thermoelectric power of Bi-Sb tapes prepared by liquid quenching

  • T K Dey
  • S K Ghatak
Condensed Matter Physics


Electrical conductivity and thermoelectric power of liquid-quenched Bi-Sb tapes with Sb concentration in the range 8 to 18 at.% are reported between 77K and room temperature. Analysis of the data shows that the total electrical conductivity of these tapes is determined by a temperature-independent component due to band conduction, and a strongly temperature-dependent part due to carrier transport across or through the defect states. These defect states which appear to originate from structural imperfections and disorders due to rapid cooling, are formed close to the mobility edge within a small energy range.


Bismuth-antimony alloy liquid quenching thermoelectric power electrical conductivity localized states thermally activated tunnelling 


70.20 72.20 


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Copyright information

© Indian Academy of Sciences 1989

Authors and Affiliations

  • T K Dey
    • 1
  • S K Ghatak
    • 1
    • 2
  1. 1.Cryogenic Engineering CentreIndian Institute of TechnologyKharagpurIndia
  2. 2.Department of Physics and MeteorologyIndian Institute of TechnologyKharagpurIndia

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