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MATERIALS ENGINEERING

SEMINAR

“Phonon Thermal Transport in Bulk Silicon: Comparative Study of Different Computational Approaches”

By

Shivam Tripathi

Purdue MSE Ph.D. Preliminary Exam

Advisor: Professor Alejandro Strachan

ABSTRACT

Rapidly growing interest towards nanoscale electronic and mechanical devices, makes efficient thermal management extremely important for both performance and reliability. Phonon thermal conductivity is a critical parameter to determine the applicability of a non-metallic material in a given application. Computational approaches along with experiments are extremely important for exploring new materials required for next-generation technology. Although there are several ways to predict phonon thermal conductivity using computational approaches like equilibrium molecular dynamics, non-equilibrium molecular dynamics, Boltzmann transport equation, each has their respective pros and cons. Therefore, it is important to understand them thoroughly and determine which one is more suitable for any given situation. This document provides a comprehensive study of these processes and compares their results for bulk silicon.

Date: Monday, February 19, 2018

Time: 2:30 P.M.

Place: ARMS 1021

PURDUE MSE