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Title: Intrinsic lattice thermal conductivity of semiconductors from first principles
Authors: Broido, David
Malorny, Michael
Birner, Gerd
Mingo, Natalio
Stewart, Derek
Keywords: thermal conductivity
first principles
Issue Date: 7-Dec-2007
Publisher: American Institute of Physics
Citation: D. A. Broido, M. Malorny, G. Birner, N. Mingo, D. A. Stewart, Appl. Phys. Lett, 91, 231922 (2007)
Abstract: We present an ab initio theoretical approach to accurately describe phonon thermal transport in semiconductors and insulators free of adjustable parameters. This technique combines a Boltzmann transport formalism with density functional calculations of harmonic and anharmonic interatomic force constants. Without any fitting parameters, we obtain excellent agreement (<5% difference at room temperature) between calculated and measured intrinsic lattice thermal conductivities of silicon and germanium. As such, this method may provide predictive theoretical guidance to experimental thermal transport studies of bulk and nanomaterials as well as facilitating the design of new materials.
Description: The original version of this article may be found at the Applied Physics Letters website: Copyright (2007) American Institute of Physics
Appears in Collections:Cornell NanoScale Facility Papers, Research and Monographs

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