Sensors 2013, 13(7), 9388-9395; doi:10.3390/s130709388
Article

Effect of Tensile Strain on Thermal Conductivity in Monolayer Graphene Nanoribbons: A Molecular Dynamics Study

1 School of Electronic Science and Technology, Dalian University of Technology, Dalian 116024, China 2 Centre for Composite Materials and Structures, Harbin Institute of Technology, Harbin 150080, China 3 The state Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, China 4 School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin 150080, China
* Author to whom correspondence should be addressed.
Received: 14 May 2013; in revised form: 12 July 2013 / Accepted: 15 July 2013 / Published: 22 July 2013
(This article belongs to the Section Physical Sensors)
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Abstract: The thermal conductivity of monolayer graphene nanoribbons (GNRs) with different tensile strain is investigated by using a nonequilibrium molecular dynamics method. Significant increasing amplitude of the molecular thermal vibration, molecular potential energy vibration and thermal conductivity vibration of stretching GNRs were detected. Some 20%~30% thermal conductivity decay is found in 9%~15% tensile strain of GNR cases. It is explained by the fact that GNR structural ridges scatter some low-frequency phonons which pass in the direction perpendicular to the direction of GNR stretching which was indicated by a phonon density of state investigation.
Keywords: graphene nanoribbons; thermal conductivity; phonon

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MDPI and ACS Style

Zhang, J.; He, X.; Yang, L.; Wu, G.; Sha, J.; Hou, C.; Yin, C.; Pan, A.; Li, Z.; Liu, Y. Effect of Tensile Strain on Thermal Conductivity in Monolayer Graphene Nanoribbons: A Molecular Dynamics Study. Sensors 2013, 13, 9388-9395.

AMA Style

Zhang J, He X, Yang L, Wu G, Sha J, Hou C, Yin C, Pan A, Li Z, Liu Y. Effect of Tensile Strain on Thermal Conductivity in Monolayer Graphene Nanoribbons: A Molecular Dynamics Study. Sensors. 2013; 13(7):9388-9395.

Chicago/Turabian Style

Zhang, Jianwei; He, Xiaodong; Yang, Lin; Wu, Guoqiang; Sha, Jianjun; Hou, Chengyu; Yin, Cunlu; Pan, Acheng; Li, Zhongzhou; Liu, Yubai. 2013. "Effect of Tensile Strain on Thermal Conductivity in Monolayer Graphene Nanoribbons: A Molecular Dynamics Study." Sensors 13, no. 7: 9388-9395.

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