Crossref journal-article
AIP Publishing
Applied Physics Letters (317)
Abstract

This work examines the details of Joule heating in silicon with a Monte Carlo method including efficient, analytic models for the electron bands, acoustic and optical phonon dispersion. We find that a significant portion of the initially generated phonons have low group velocity, and therefore low contribution to heat transport, e.g., optical phonons or acoustic modes near the Brillouin zone edge. The generated phonon spectrum in strained silicon is different from bulk silicon at low electric fields due to band splitting and scattering selection rules which favor g-type and reduce f-type phonon emission. However, heat generation is essentially the same in strained and bulk silicon at high fields, when electrons have enough energy to emit across the entire phonon spectrum despite the strain-induced band splitting. The results of this study are important for electro-thermal analysis of future silicon nanoscale devices.

Bibliography

Pop, E., Dutton, R. W., & Goodson, K. E. (2005). Monte Carlo simulation of Joule heating in bulk and strained silicon. Applied Physics Letters, 86(8).

Authors 3
  1. Eric Pop (first)
  2. Robert W. Dutton (additional)
  3. Kenneth E. Goodson (additional)
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Dates
Type When
Created 20 years, 6 months ago (Feb. 15, 2005, 6:02 p.m.)
Deposited 2 years, 1 month ago (July 2, 2023, 9:40 p.m.)
Indexed 2 weeks, 1 day ago (Aug. 6, 2025, 9:45 a.m.)
Issued 20 years, 6 months ago (Feb. 16, 2005)
Published 20 years, 6 months ago (Feb. 16, 2005)
Published Online 20 years, 6 months ago (Feb. 16, 2005)
Published Print 20 years, 6 months ago (Feb. 21, 2005)
Funders 0

None

@article{Pop_2005, title={Monte Carlo simulation of Joule heating in bulk and strained silicon}, volume={86}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.1870106}, DOI={10.1063/1.1870106}, number={8}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Pop, Eric and Dutton, Robert W. and Goodson, Kenneth E.}, year={2005}, month=feb }