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Designing Si/Si1−xGex Superlattices With Tailored Thermal Transport Properties

[+] Author Affiliations
E. S. Landry, A. J. H. McGaughey

Carnegie Mellon University, Pittsburgh, PA

Paper No. HT2008-56473, pp. 413-416; 4 pages
  • ASME 2008 Heat Transfer Summer Conference collocated with the Fluids Engineering, Energy Sustainability, and 3rd Energy Nanotechnology Conferences
  • Heat Transfer: Volume 1
  • Jacksonville, Florida, USA, August 10–14, 2008
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 978-0-7918-4847-0 | eISBN: 0-7918-3832-3
  • Copyright © 2008 by ASME


Si/Si1−x Gex superlattices are promising candidates for thermoelectric energy conversion applications [1, 2], as the phonon transport through them can be inhibited while maintaining desirable electrical transport properties. No comprehensive experimental study has been performed to map the thermal conductivity design space accessible by Si/Ge nanocomposites. By using atomistic modeling tools, interesting areas of the design space can be identified and then further explored experimentally.

Copyright © 2008 by ASME
Topics: Superlattices , Design



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