Acoustic Phonon Thermal Transport through a Nanostructure
LI Wen-Xia, LIU Tian-Yu, LIU Chang-Long
Department of Applied Physics, Tianjin University, Tianjin 300072
Acoustic Phonon Thermal Transport through a Nanostructure
LI Wen-Xia;LIU Tian-Yu;LIU Chang-Long
Department of Applied Physics, Tianjin University, Tianjin 300072
关键词 ：
63.22.+m ,
44.10.+i ,
73.23.Ad
Abstract ： Using the scattering matrix method, we investigate the thermal transport in a nanostructure at low temperatures. It is found that phonon transport exhibits some novel and interesting features: resonant transmission, resonant reflection, and small thermal conductance. A comparison between thermal conductances is performed when stress-free and hard-wall boundary conditions are applied for acoustic modes, respectively. The result indicates that the characteristics of the thermal conductance versus temperature for different types of boundary conditions are qualitatively different.
Key words ：
63.22.+m
44.10.+i
73.23.Ad
出版日期: 2006-09-01
引用本文:
LI Wen-Xia;LIU Tian-Yu;LIU Chang-Long. Acoustic Phonon Thermal Transport through a Nanostructure[J]. 中国物理快报, 2006, 23(9): 2522-2525.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2006/V23/I9/2522
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2006, Vol. 23 
