Large Thermoelectric Power Factor Enhancement Observed in InAs Nanowires.
- Wu, Phillip
- Gooth, Johannes
- Zianni, Xanthippi
- Fahlvik Svensson, Sofia
- Gluschke, Jan-Göran
- Dick Thelander, Kimberly
- Thelander, Claes
- Nielsch, Kornelius
- Linke, Heiner
Publication date
January 2013
DOI Publisher
American Chemical Society (ACS) ISSN
1530-6984 Citation count (estimate)
49Abstract
We report the observation of a thermoelectric power factor in InAs nanowires that exceeds that predicted by a single-band bulk model by up to an order of magnitude at temperatures below about 20 K. We attribute this enhancement effect not to the long-predicted 1D subband effects but to quantum-dot-like states that form in electrostatically nonuniform nanowires as a result of interference between propagating states and 0D resonances
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