Analysis of optothermionic refrigeration based on semiconductor heterojunction

We have examined the theory of optothermionic refrigeration combining the ideas of laser cooling and thermionic cooling [Mal'shukov and Chao, Phys. Rev. Lett. 86, 5570 (2001)] and its estimation on thermal energy extraction by using self-consistent calculations with the drift-diffusion model in this paper. Both the Auger and the Shockley-Read-Hall dissipation processes are considered. For GaAs/AlGaAs systems with various impurity concentrations and different widths of quantum well, it is found that the optothermionic cooler can extract thermal energy at a rate as much as 10 W/cm(2). The information to perform optothermionic refrigeration in real devices have also been provided. (c) 2006 American Institute of Physics.

Jin, KJ (author)
Zhou, YL (author)
Wang, X (author)
Ma, ZS (author)
Ren, SF (author)
Mal'shukov, AG (author)
Chao, Koung-AnLund University,Lunds universitet,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Physics,Departments at LTH,Faculty of Engineering, LTH(Swepub:lu)teor-kch (author)
Fysiska institutionenInstitutioner vid LTH (creator_code:org_t)

By the author/editor: Han, P; Jin, KJ; Zhou, YL; Wang, X; Ma, ZS; Ren, SF; show more...; Mal'shukov, AG; Chao, Koung-An; show less...

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NATURAL SCIENCES: NATURAL SCIENCES; and Physical Science ...; and Condensed Matter ...

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