An investigation of thermal conductivity of silicon as a function of isotope concentration by molecular dynamics

Atsushi Murakawa, Hideo Ishii, Koichi Kakimoto

研究成果: Contribution to journalArticle査読

23 被引用数 (Scopus)

抄録

Thermal conductivity of solid silicon as a function of the mole fraction of isotopes was investigated by molecular dynamics simulation. The thermal conductivity of isotope-silicon was calculated by using an empirical potential of Stillinger-Weber potential. We employed equilibrium molecular dynamics based on Green-Kubo's formula in which the autocorrelation function of heat flux was integrated as a function of duration time. The results of calculation showed that thermal conductivity of mixed isotope-silicon is smaller than that of pure isotope silicon. The results also showed that a pure isotope with a light mass has a large thermal conductivity.

本文言語英語
ページ(範囲)452-457
ページ数6
ジャーナルJournal of Crystal Growth
267
3-4
DOI
出版ステータス出版済み - 7 1 2004

All Science Journal Classification (ASJC) codes

  • 凝縮系物理学
  • 無機化学
  • 材料化学

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