Thermoelectric properties of ${\beta}$-FeSi$_{\text2}$

Tribhuwan Pandey; David J. Singh; David Parker; Abhishek K. Singh

doi:10.1063/1.4825217

Thermoelectric properties of ${\beta}$-FeSi$_{\text2}$

Materials Science 2015-06-17 v1

Authors: Tribhuwan Pandey , David J. Singh , David Parker , Abhishek K. Singh

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Abstract

We investigate the thermoelectric properties of ${\beta}$ -FeSi $_{\text2}$ using first principles electronic structure and Boltzmann transport calculations. We report a high thermopower for both \textit{p}- and \textit{n}-type ${\beta}$ -FeSi $_{\text2}$ over a wide range of carrier concentration and in addition find the performance for \textit{n}-type to be higher than for the \textit{p}-type. Our results indicate that, depending upon temperature, a doping level of 3 $\times10{^{20}}$ - 2 $\times10{^{21}}$ cm ${^{-3}}$ may optimize the thermoelectric performance.

Keywords

thermoelectric properties beta-fesi2 first principles boltzmann transport thermopower carrier concentration doping level

Cite

@article{arxiv.1308.6529,
  title  = {Thermoelectric properties of ${\beta}$-FeSi$_{\text2}$},
  author = {Tribhuwan Pandey and David J. Singh and David Parker and Abhishek K. Singh},
  journal= {arXiv preprint arXiv:1308.6529},
  year   = {2015}
}

Thermoelectric properties of ${\beta}$-FeSi$_{\text2}$

Abstract

Keywords

Cite

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