Tunable Thermal Transport and Thermal Rectification in Strained Graphene Nanoribbons
Materials Science
2012-05-24 v3
Abstract
Using molecular dynamics(MD) simulations, we study thermal transport in graphene nanoribbons (GNR) subjected to uniform uniaxial and nonuniform strain fields. We predict significant thermal rectification (over 70%) in a rectangular armchair GNR by applying a transverse force asymmetrically. The heat flux is larger from the less stressed region to the more stressed region. Furthermore, we develop a theoretical framework based on the non-equilibrium thermodynamics to discuss when thermal rectification under a stress gradient can occur. We conclude with a discussion of details relevant to experiment.
Keywords
Cite
@article{arxiv.1011.3033,
title = {Tunable Thermal Transport and Thermal Rectification in Strained Graphene Nanoribbons},
author = {K. G. S. H. Gunawardana and Kieran Mullen and Jiuning Hu and Yong P. Chen and Xiulin Ruan},
journal= {arXiv preprint arXiv:1011.3033},
year = {2012}
}