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Special Features of Thermoelectric Phenomena in Granulated Semiconductors

  • Khatam Ashurov
  • Boris Abdurakhmanov
  • Flyra Djurabekova
  • Sherzod Kuchkanov
  • Sergey Maksimov
  • Boris Oksengendler
Conference paper
Part of the NATO Science for Peace and Security Series B: Physics and Biophysics book series (NAPSB)

Abstract

A model of the heterogeneous semiconductor medium consisting of multiphase granules, which are the crystal semiconductor grains covered by the oxide film has been proposed. The effective medium model (EMM) of the set of contacting granules has been constructed. Each granule phase is characterised by its own conductivity σ i , heat conductivity χ i , Seebeck factor α i , characteristic size d i and, accordingly, efficiency of thermoelectric transformation Z i . Expressions for the estimation of σ eff , χ eff , α eff and Z eff are constructed, and their values depending on asymmetry degree of characteristics of the granule components are analysed. The complicated ternary thermoelectric media is considered. The possibilities of acquisition of the optimal medium characteristics under various technological conditions and the action of ionizing radiation have been studied.

Keywords

Thermoelectric Material Radiation Defect Effective Medium Model Granule Component Thermoelectric Characteristic 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

This work was supported by the Committee for Coordination Science and Technology Development under Cabinet of Ministers of Uzbekistan, contract F3-F-F158.

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Copyright information

© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  • Khatam Ashurov
    • 2
  • Boris Abdurakhmanov
    • 2
  • Flyra Djurabekova
    • 2
  • Sherzod Kuchkanov
    • 2
  • Sergey Maksimov
    • 1
  • Boris Oksengendler
    • 3
  1. 1.Institute of Ion-Plasma and Laser TechnologiesUzbek Academy of SciencesTashkentUzbekistan
  2. 2.Institute of Ion-Plasma and Laser TechnologiesUzbek Academy of SciencesTashkentUzbekistan
  3. 3.Polymer Physics InstituteUzbek Academy of SciencesTashkentUzbekistan

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