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Field emission cooling of thermoelectric semiconductor PbTe
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10.1063/1.3599850
/content/aip/journal/apl/98/24/10.1063/1.3599850
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/24/10.1063/1.3599850
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic of a field emission device for cooling. A sample to be cooled is in contact with the cathode which is the n-type semiconductor PbTe.

Image of FIG. 2.
FIG. 2.

Electron energy exchange in field emission from the n-type semiconductor cathode. The energy exchange process take place between the outgoing field-emitted and the incoming replacement electrons.

Image of FIG. 3.
FIG. 3.

Plots of exchange energy vs current. The exchange energy decreases with current since the low energy states contribute significantly only at strong fields.

Image of FIG. 4.
FIG. 4.

Plots of cooling power vs current. A positive represents the net cooling in the large range of field emission current.

Image of FIG. 5.
FIG. 5.

Plots of cooling power vs temperature. The net cooling is a few watts in a working range of field emission currents.

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/content/aip/journal/apl/98/24/10.1063/1.3599850
2011-06-13
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Field emission cooling of thermoelectric semiconductor PbTe
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/24/10.1063/1.3599850
10.1063/1.3599850
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