Ballistic thermal rectification in nanoscale three-terminal junctions

被引：60
|
作者：
Zhang, Lifa [1 ,2 ]
Wang, Jian-Sheng [1 ,2 ]
Li, Baowen [1 ,2 ,3 ]
机构：
[1] Natl Univ Singapore, Dept Phys, Singapore 117542, Singapore
[2] Natl Univ Singapore, Ctr Computat Sci & Engn, Singapore 117542, Singapore
[3] NUS Grad Sch Integrat Sci & Engn, Singapore 117456, Singapore
来源：
PHYSICAL REVIEW B | 2010年 / 81卷 / 10期
关键词：
CONDUCTORS;
D O I：
10.1103/PhysRevB.81.100301
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We study ballistic thermal transport in three-terminal atomic nanojunctions by the nonequilibrium Green's function method. We find that there is ballistic thermal rectification in asymmetric three-terminal structures because of the incoherent phonon scattering from the control terminal. With spin-phonon interaction, we also find the ballistic thermal rectification even in symmetric three-terminal paramagnetic structures.
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页数：4
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