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Solid-state resonant tunneling thermoelectric refrigeration in the cylindrical double-barrier nanostructure |
Liu Nian (刘念)a, Luo Xiao-Guang (罗小光)b, Zhang Mao-Lian (章毛连)a |
a Department of Physical and Electronics, Anhui Science and Technology University, Bengbu 233100, China; b Department of Physics, Southeast University, Nanjing 211189, China |
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Abstract A solid-state thermoelectric refrigerator with a cylindrical InP/InAs/InP double-barrier heterostructure is proposed. Based on the ballistic electron transport and the asymmetrical transmission, we derive the expressions of the performance parameters of this refrigerator. The cooling rate rather than the coefficient of performance is affected by the area of the inner cylinder. Then through the numerical simulation, a triangular cooling rate region is found with respect to the chemical potential and bias voltage; further, that it is because of the small full width at half maximum of the transmission resonance and the linear relationship between the energy position of resonance and the bias voltage. These tunable results might supply some guide to the cooling in tiny components or devices.
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Received: 07 January 2014
Revised: 13 February 2014
Accepted manuscript online:
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PACS:
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05.70.Ln
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(Nonequilibrium and irreversible thermodynamics)
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73.50.Lw
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(Thermoelectric effects)
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73.40.Gk
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(Tunneling)
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Fund: Project supported by the Fundamental Research Funds for the Central Universities and the Research and Innovation Project for College Graduates of Jiangsu Province, China (Grant No. CXZZ13_0081). |
Corresponding Authors:
Liu Nian
E-mail: lnlive@163.com
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Cite this article:
Liu Nian (刘念), Luo Xiao-Guang (罗小光), Zhang Mao-Lian (章毛连) Solid-state resonant tunneling thermoelectric refrigeration in the cylindrical double-barrier nanostructure 2014 Chin. Phys. B 23 080502
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