Heat rectification effect of serially coupled quantum dots

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Title:	Heat rectification effect of serially coupled quantum dots
Authors:	郭明庭;Tseng, Yen-Chun;Kuo, David M. T.;Chang, Yia-chung;Lin, Yan-Ting
Contributors:	資訊電機學院電機工程學系
Date:	2013-07-29
Issue Date:	2026-04-23 14:10:09 (UTC+8)
Abstract:	摘要： The nonlinear thermoelectric properties of serially coupled quantum dots (SCQDs) embedded in a nanowire connected to metallic electrodes are theoretically studied in the Coulomb blockade regime. We demonstrate that the electron heat current of SCQDs exhibits a direction-dependent behavior (heat rectification) in an asymmetrical structure in which the electron Coulomb interactions are significant. The phonon thermal conductivity of the nanowire is also calculated, which is used to estimate the phonon heat current. Finally, we discuss how to reduce phonon heat current to allow observation of electron heat rectification behavior in the SCQD junction system in low temperature regime. 出版日期： 2013-07-29 出處： Applied physics letters, 2013-07, Vol.103 (5) 資源來源： AIP Journals (American Institute of Physics) 識別號： ISSN: 0003-6951 識別號： EISSN: 1077-3118 識別號： DOI: 10.1063/1.4817258
Appears in Collections:	[Department of Electrical Engineering] journal & Dissertation

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