Solid-state resonant tunneling thermoelectric refrigeration in the cylindrical double-barrier nanostructure

doi:10.1088/1674-1056/23/8/080502

›› 2014, Vol. 23 ›› Issue (8): 80502-080502.doi: 10.1088/1674-1056/23/8/080502

Solid-state resonant tunneling thermoelectric refrigeration in the cylindrical double-barrier nanostructure

刘念^a, 罗小光^b, 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

收稿日期:2014-01-07 修回日期:2014-02-13 出版日期:2014-08-15 发布日期:2014-08-15
基金资助:
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).

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

Received:2014-01-07 Revised:2014-02-13 Online:2014-08-15 Published:2014-08-15
Contact: Liu Nian E-mail:lnlive@163.com
Supported by:
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).

摘要/Abstract

摘要： 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.

关键词: thermoelectric, cooling region, double-barrier heterostructure, resonant tunneling

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.

Key words: thermoelectric, cooling region, double-barrier heterostructure, resonant tunneling

中图分类号: (Nonequilibrium and irreversible thermodynamics)

05.70.Ln

73.50.Lw (Thermoelectric effects) 73.40.Gk (Tunneling)

刘念, 罗小光, 章毛连. Solid-state resonant tunneling thermoelectric refrigeration in the cylindrical double-barrier nanostructure[J]. , 2014, 23(8): 80502-080502.

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[J]. Chin. Phys. B, 2014, 23(8): 80502-080502.

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Solid-state resonant tunneling thermoelectric refrigeration in the cylindrical double-barrier nanostructure

Solid-state resonant tunneling thermoelectric refrigeration in the cylindrical double-barrier nanostructure

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