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Exploitation of the thermotunnel effect for energy scavenging
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10.1063/1.1785841
/content/aip/journal/jap/96/9/10.1063/1.1785841
http://aip.metastore.ingenta.com/content/aip/journal/jap/96/9/10.1063/1.1785841
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Potential barrier profile between electrodes with different temperatures and electrode work functions. The solid line is the real potential profile taking into account the image charge correction, the dotted one is the trapezoidal approximation without correction.

Image of FIG. 2.
FIG. 2.

An electron with a given lower than crosses the potential barrier between the and coordinates with a tunneling probability lower than 1. If is higher than , there is no more tunneling effect and the electron is emitted with a probability equal to 1.

Image of FIG. 3.
FIG. 3.

Barrier height without bias voltage vs barrier length and different work functions for both electrodes.

Image of FIG. 4.
FIG. 4.

Current density (a) and power density (b) vs voltage between electrodes with , and .

Image of FIG. 5.
FIG. 5.

Variations of and depending on with fixed at in the case of a gap length.

Image of FIG. 6.
FIG. 6.

Variations of and conversion efficiency depending on with fixed at in the case of a gap length.

Image of FIG. 7.
FIG. 7.

Variations of and vs barrier length for , and .

Image of FIG. 8.
FIG. 8.

Maximum power density and conversion efficiency vs barrier length with , and .

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/content/aip/journal/jap/96/9/10.1063/1.1785841
2004-10-28
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Exploitation of the thermotunnel effect for energy scavenging
http://aip.metastore.ingenta.com/content/aip/journal/jap/96/9/10.1063/1.1785841
10.1063/1.1785841
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