Nanowires: A route to efficient thermoelectric devices

F Domínguez-Adame, M Martín-González… - Physica E: Low …, 2019 - Elsevier
Miniaturization of electronic devices aims at manufacturing ever smaller products, from
mesoscopic to nanoscopic sizes. This trend is challenging because the increased levels of …

Size effects in molecular dynamics thermal conductivity predictions

DP Sellan, ES Landry, JE Turney, AJH McGaughey… - Physical Review B …, 2010 - APS
We predict the bulk thermal conductivity of Lennard-Jones argon and Stillinger-Weber
silicon using the Green-Kubo (GK) and direct methods in classical molecular dynamics …

Strain effects on the thermal conductivity of nanostructures

X Li, K Maute, ML Dunn, R Yang - Physical Review B—Condensed Matter and …, 2010 - APS
Applying stress/strain on a material provides a mechanism to tune the thermal conductivity of
materials dynamically or on demand. Experimental and simulation results have shown that …

Nonequilirium molecular dynamics methods for lattice heat conduction calculations

J Shiomi - Annual review of heat transfer, 2014 - dl.begellhouse.com
Over the last decades, molecular dynamics simulations have been extensively used to
calculate lattice heat conduction in nanomaterials and bulk materials, as the realistic …

Significant reduction of thermal conductivity in Si/Ge core− shell nanowires

M Hu, KP Giapis, JV Goicochea, X Zhang… - Nano …, 2011 - ACS Publications
We report on the effect of germanium (Ge) coatings on the thermal transport properties of
silicon (Si) nanowires using nonequilibrium molecular dynamics simulations. Our results …

Tuning the thermal conductivity of silicene with tensile strain and isotopic doping: A molecular dynamics study

QX Pei, YW Zhang, ZD Sha, VB Shenoy - Journal of Applied Physics, 2013 - pubs.aip.org
Silicene is a monolayer of silicon atoms arranged in honeycomb lattice similar to graphene.
We study the thermal transport in silicene by using non-equilibrium molecular dynamics …

Isotopic effects on the thermal conductivity of graphene nanoribbons: Localization mechanism

JW Jiang, J Lan, JS Wang, B Li - Journal of Applied Physics, 2010 - pubs.aip.org
Thermal conductivity of graphene nanoribbons (GNR) with length 106 Å and width 4.92 Å
after isotopic doping is investigated by molecular dynamics with quantum correction. Two …

Thermal conductivity reduction in core-shell nanowires

M Hu, X Zhang, KP Giapis, D Poulikakos - Physical Review B—Condensed …, 2011 - APS
Nanostructuring of thermoelectric materials bears promise for manipulating physical
parameters to improve the energy conversion efficiency of thermoelectrics. Using …

Thermal rectification by design in telescopic Si nanowires

X Cartoixà, L Colombo, R Rurali - Nano letters, 2015 - ACS Publications
We show that thermal rectification by design is possible by joining/growing Si nanowires
(SiNWs) with sections of appropriately selected diameters (ie, telescopic nanowires). This is …

Phonon transport simulator (PhonTS)

A Chernatynskiy, SR Phillpot - Computer Physics Communications, 2015 - Elsevier
Thermal conductivity prediction remains an important subject in many scientific and
engineering areas. Only recently has such prediction become possible on the basis of the …