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Truncated Levy model for TDTR
22 Nov 2016 | | Contributor(s):: Amr Mohammed, Ali Shakouri
Simulate the transient thermal response of materials probed using optical pump probe experiment (TDTR)
2016 IMECE Tutorials on Phonon Transport Modeling
16 Dec 2016 | | Contributor(s):: Alan McGaughey, Xiulin Ruan
Advances in theoretical methodologies and computational power in the last fifteen years have enabled the prediction of phonon properties with high resolution and fidelity. Notably, the use of molecular dynamics simulations, lattice dynamics calculations, density functional theory calculations,...
Fundamentals of Phonon Transport Modeling L1: Introduction
03 Jan 2017 | | Contributor(s):: Alan McGaughey, Xiulin Ruan
Part of the 2016 IMECE Tutorial: Fundamentals of Phonon Transport Modeling: Formulation, Implementation, and Applications.
Fundamentals of Phonon Transport Modeling L2: MD Simulation, Green Kubo, Direct Method
03 Jan 2017 | | Contributor(s):: Xiulin Ruan, Alan McGaughey
Fundamentals of Phonon Transport Modeling L3: Harmonic Lattice Dynamics, Spectral Methods
Fundamentals of Phonon Transport Modeling L4: Anharmonic Lattice dynamics, First Principles
Fundamentals of Phonon Transport Modeling L5: Phonon-Boundary and Phonon-Defect Scattering
Fundamentals of Phonon Transport Modeling L6: Phonon-Electron Coupling and Non-equilibrium
Heat Under the Microscope:
Uncovering the Microscopic Processes that Govern
11 Jul 2016 | | Contributor(s):: Austin Minnich
n this talk, I will describe our efforts to uncover the microscopic processes that govern thermal transport by phonons. In particular, I will describe how our advances in computation and experiment have enabled the first direct measurements of thermal phonon transmission coefficients at solid...
Spectral phonon relaxation time calculation tool by using normal mode analysis based on molecular dynamics
24 Oct 2015 | | Contributor(s):: Tianli Feng, Divya Chalise, Xiulin Ruan
Calculate the spectral phonon relaxation time in solids based on molecular dynamics.
Unified View of Electron and Phonon Transport
06 Nov 2015 | | Contributor(s):: Mark Lundstrom, Jesse Maassen
A simple, unified view of electron and phonon transport is presented. Similarities and differences are identified, and new insights that come from addressing phonon transport from an electron transport perspective will be discussed.
From Single-Stage to Device-Level Simulation of Coupled Electron and Phonon Transport in Quantum Cascade Lasers
26 Oct 2015 | | Contributor(s):: Irena Knezevic
IWCE 2015 presentation. Abstract and more information to be added at a later date.
1-D Phonon BTE Solver
28 Jul 2014 | | Contributor(s):: Joseph Adrian Sudibyo, Amr Mohammed, Ali Shakouri
Simulate heat transport by solving one dimensional Boltzmann transport equation.
Landauer Approach to Thermoelectrics
21 Jun 2013 | | Contributor(s):: Changwook Jeong
Many efforts have been made to search for materials that maximize the thermoelectric (TE) figure of merit, ZT, but for decades, the improvement has been limited because of the interdependent material parameters that determine ZT. Recently, several breakthroughs have been reported by applying...
Thermoelectric Energy Conversion: Transport, Materials, and Systems
26 Nov 2012 | | Contributor(s):: Gang Chen
his talk will start with an introduction to thermoelectric effects, and move on to discuss ways to understand and engineer electron and phonon transport in thermoelectric materials to improve the figure of merit. On phonon transport, thermal conductivity spectroscopy and coherent heat conduction...
ECE 656 Lecture 13: Phonon Transport
26 Sep 2011 | | Contributor(s):: Mark Lundstrom
Outline:IntroductionElectrons and PhononsGeneral model for heat conductionThermal conductivityDebye modelScatteringDiscussionSummary
Limits of Thermal Processes and their Implications on Efficient Energy Utilization
19 Oct 2010 | | Contributor(s):: Arunava Majumdar
About 90 percent of the world’s energy use involves thermal processes – thermal engines to generate mechanical power; heating and cooling in buildings; heating involved in manufacturing of steel, cement, glass, petrochemicals etc. To identify opportunities for improving current technologies or...