Thermo-electric properties of quantum point contacts
Open Access
- 1 March 1992
- journal article
- Published by IOP Publishing in Semiconductor Science and Technology
- Vol. 7 (3B), B215-B221
- https://doi.org/10.1088/0268-1242/7/3b/052
Abstract
The conductance, the thermal conductance, the thermopower and the Peltier coefficient of a quantum point contact all exhibit quantum size effects. The authors review and extend the theory of these effects. In addition, they review their experimental work on the quantum oscillations in the thermopower, observed using a current heating technique. New data are presented showing evidence for quantum steps in the thermal conductance, and (less unequivocally) for quantum oscillations in the Peltier coefficient. For these new experiments the authors have used a quantum point contact as a miniature thermometer.Keywords
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