The DOI matches its Crossref record; 13 of the 13 references it cites were found in a registry or an index.
“Nanoparticle-in-Alloy” Approach to Efficient Thermoelectrics: Silicides in SiGe
Abstract
We present a "nanoparticle-in-alloy" material approach with silicide and germanide fillers leading to a potential 5-fold increase in the thermoelectric figure of merit of SiGe alloys at room temperature and 2.5 times increase at 900 K. Strong reductions in computed thermal conductivity are obtained for 17 different types of silicide nanoparticles. We predict the existence of an optimal nanoparticle size that minimizes the nanocomposite's thermal conductivity. This thermal conductivity reduction is much stronger and strikingly less sensitive to nanoparticle size for an alloy matrix than for a single crystal one. At the same time, nanoparticles do not negatively affect the electronic conduction properties of the alloy. The proposed material can be monolithically integrated into Si technology, enabling an unprecedented potential for micro refrigeration on a chip. High figure-of-merit at high temperatures (ZT approximately 1.7 at 900 K) opens up new opportunities for thermoelectric power generation and waste heat recovery at large scale.
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Laser fragmentation in liquid medium: A new way for the synthesis of PbTe nanoparticles
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Metadata
- Authors
- Mingo, N., Hauser, D., Kobayashi, N. P., Plissonnier, M., & Shakouri, A.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2009-01-07
- Volume
- 9
- Issue
- 2
- Pages
- 711-715
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2032961470
- Cited by
- 405
- References
- 13
- FWCI
- 11.80
- Type
- journal article
- Language
- en
- Open access
- closed
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