Thermoelectric figure of merit of anisotropic bulk materials in the presence of polar optical phonon scattering

Kazuma Ikeda, Masanori Matoba

研究成果: Article査読

抄録

The effect of mass anisotropy on the thermoelectric figure of merit in the presence of polar optical phonon (POP) scattering is numerically studied. Electron transport is considered using the linear Boltzmann transport equation. The mass anisotropy is advantageous for the figure of merit along the principal directions of a small effective mass if phonon thermal conductivity is large. Inelasticity plays an essential role in the obtained result. The result is qualitatively different from that for an ionised impurity model.

本文言語English
ページ(範囲)2189-2191
ページ数3
ジャーナルJapanese journal of applied physics
47
4 PART 1
DOI
出版ステータスPublished - 2008 4月 18

ASJC Scopus subject areas

  • 工学(全般)
  • 物理学および天文学(全般)

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