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

The thermal conductivity and heat capacity of a guest-free polycrystalline silicon clathrate with the type-II hydrate crystal structure is reported. The magnitude of the thermal conductivity at room temperature is only slightly larger than that of vitreous silica, and is thirty times lower than that of diamond structured Si. The temperature dependence of the thermal conductivity of Si136 follows the well-known Debye form, and is dissimilar to that of clathrates with “guest” atoms inside their polyhedra. The Debye temperature of Si136, estimated from low temperature heat capacity measurements, is 470 K. The potential of guest-free clathrates for thermoelectric applications is discussed.

Bibliography

Nolas, G. S., Beekman, M., Gryko, J., Lamberton, G. A., Tritt, T. M., & McMillan, P. F. (2003). Thermal conductivity of elemental crystalline silicon clathrate Si136. Applied Physics Letters, 82(6), 910–912.

Authors 6
  1. G. S. Nolas (first)
  2. M. Beekman (additional)
  3. J. Gryko (additional)
  4. G. A. Lamberton (additional)
  5. T. M. Tritt (additional)
  6. P. F. McMillan (additional)
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Dates
Type When
Created 22 years, 6 months ago (Feb. 10, 2003, 11:22 a.m.)
Deposited 1 year, 6 months ago (Feb. 3, 2024, 6:55 p.m.)
Indexed 1 year ago (Aug. 6, 2024, 1:41 p.m.)
Issued 22 years, 6 months ago (Feb. 10, 2003)
Published 22 years, 6 months ago (Feb. 10, 2003)
Published Print 22 years, 6 months ago (Feb. 10, 2003)
Funders 0

None

@article{Nolas_2003, title={Thermal conductivity of elemental crystalline silicon clathrate Si136}, volume={82}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.1544640}, DOI={10.1063/1.1544640}, number={6}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Nolas, G. S. and Beekman, M. and Gryko, J. and Lamberton, G. A. and Tritt, T. M. and McMillan, P. F.}, year={2003}, month=feb, pages={910–912} }