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Hot Electron Effects on Thermionic Emission Cooling in Heterostructures

Published online by Cambridge University Press:  10 February 2011

Taofang Zeng and
Gang Chen
Taofang Zeng
Affiliation:
Mechanical and Aerospace Engineering Department, University of California, Los Angles, CA 90095
Gang Chen
Affiliation:
Mechanical and Aerospace Engineering Department, University of California, Los Angles, CA 90095
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Abstract

The energy conversion between electrons and phonons in a heterostructure is studied for thermionic cooling by using the hot electron approximation. Calculations show that the energy exchange rate between electrons and phonons should be small for a net cooling power, and the layer length should be in the range of submicron for effective cooling.

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