Tunable Thermal Rectification in Silicon Nanowires: a Molecular Dynamics Study
Publish place: 1st National Conference on Micro/Nanoscale Technologies
Publish Year: 1397
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
MNTECH01_056
تاریخ نمایه سازی: 23 آذر 1397
Abstract:
In this work we study thermal rectification in telescopic silicon nanowires with an abrupt variation of diameter by nonequilibrium molecular dynamics (NEMD) simulations. Furthermore, by calculating phonon spectra, underlying mechanisms is evaluated. We find that by engineering the geometry of the silicon nanowires, it is possible to gain tunable thermal rectification and the rectification value is also sensitive to the alteration of the diameter
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Authors
Maryam Khalkhali
Department of Physics, University of Zanjan , Zanjan, Iran
Farhad Khoeini
Department of Physics, University of Zanjan Zanjan, Iran