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Monte Carlo simulations of thermal conductivity in nanoporous si membranes
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Wolf, Stefanie, Neophytou, Neophytos, Stanojevic, Zlatan and Kosina, Hans (2014) Monte Carlo simulations of thermal conductivity in nanoporous si membranes. Journal of Electronic Materials, Volume 43 (Number 10). pp. 3870-3875. doi:10.1007/s11664-014-3324-x ISSN 0361-5235.
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Official URL: http://dx.doi.org/10.1007/s11664-014-3324-x
Abstract
We present a Monte Carlo study of heat transport in Si nanomeshes. Phonons are treated semiclassically as particles of specific energy and velocity that undergo phonon–phonon scattering and boundary scattering on the surfaces of the nanomesh pores. We investigate the influence of: (1) geometric parameters such as the pore arrangement/randomness and porosity, and (2) the roughness amplitude of the pore surfaces on the thermal conductivity of the nanomeshes. We show that the nanomesh porosity has a strong detrimental influence on the thermal conductivity. Boundary roughness still degrades the thermal conductivity, but its influence is smaller.
| Item Type: | Journal Article | ||||||
|---|---|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||
| Journal or Publication Title: | Journal of Electronic Materials | ||||||
| Publisher: | Springer New York LLC | ||||||
| ISSN: | 0361-5235 | ||||||
| Official Date: | 1 October 2014 | ||||||
| Dates: |
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| Volume: | Volume 43 | ||||||
| Number: | Number 10 | ||||||
| Page Range: | pp. 3870-3875 | ||||||
| DOI: | 10.1007/s11664-014-3324-x | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Restricted or Subscription Access |
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