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Keywords: Phonon Dispersion
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Journal Articles

Ballistic-Diffusive Heat Conduction in Thin Films by Phonon Monte Carlo Method: Gray Medium Approximation Versus Phonon Dispersion

Han-Ling Li, Junichiro Shiomi, Bing-Yang Cao
Journal: Journal of Heat Transfer
Article Type: Research-Article
J. Heat Transfer. November 2020, 142(11): 112502.
Paper No: HT-20-1018
DOI: https://doi.org/10.1115/1.4048093
Published Online: September 18, 2020
... the features of ballistic-diffusive heat conduction for the gray medium approximation. Phonon dispersion has to be considered for the accurate thermal analyses and modeling of ballistic-diffusive heat transport. Our work could be helpful for further understanding of phonon dispersion and more careful use...
View Article titled, Ballistic-Diffusive Heat Conduction in Thin Films by Phonon Monte Carlo Method: Gray Medium Approximation Versus <span class="search-highlight">Phonon</span> <span class="search-highlight">Dispersion</span>
Click here to open pdf in another window PDF for Ballistic-Diffusive Heat Conduction in Thin Films by Phonon Monte Carlo Method: Gray Medium Approximation Versus <span class="search-highlight">Phonon</span> <span class="search-highlight">Dispersion</span>
Topics: Approximation, Heat conduction, Phonons, Thermal conductivity, Temperature, Heat flux, Silicon
Journal Articles

Mode-Wise Thermal Conductivity of Bismuth Telluride

Yaguo Wang, Bo Qiu, Alan J. H. McGaughey, Xiulin Ruan, Xianfan Xu
Journal: Journal of Heat Transfer
Article Type: Research-Article
J. Heat Transfer. September 2013, 135(9): 091102.
Paper No: HT-12-1279
DOI: https://doi.org/10.1115/1.4024356
Published Online: July 26, 2013
... for thermal transport and to design effective phonon barriers for thermal transport control. In this paper, we adopt time-domain (TD) and frequency-domain (FD) normal-mode analyses to investigate mode-wise phonon properties and to calculate phonon dispersion relations and phonon relaxation times in bismuth...
View Article titled, Mode-Wise Thermal Conductivity of Bismuth Telluride
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Topics: Phonons, Thermal conductivity
Journal Articles

Comparison of Different Phonon Transport Models for Predicting Heat Conduction in Silicon-on-Insulator Transistors

Sreekant V. J. Narumanchi, Jayathi Y. Murthy, Cristina H. Amon
Journal: Journal of Heat Transfer
Article Type: Research Papers
J. Heat Transfer. July 2005, 127(7): 713–723.
DOI: https://doi.org/10.1115/1.1924571
Published Online: March 1, 2005
... not account adequately for phonon dispersion or polarization. In this study, the problem of a hot spot in a submicron silicon-on-insulator transistor is addressed. A model based on the BTE incorporating full phonon dispersion effects is used. A structured finite volume approach is used to solve the BTE...
View Article titled, Comparison of Different Phonon Transport Models for Predicting Heat Conduction in Silicon-on-Insulator Transistors
Click here to open pdf in another window PDF for Comparison of Different Phonon Transport Models for Predicting Heat Conduction in Silicon-on-Insulator Transistors
Topics: Phonons, Silicon, Silicon-on-insulator, Temperature, Transistors, Acoustics, Thermal conductivity, Relaxation (Physics)