Anharmonicity induced thermal modulation in stressed graphene
Jiang, JJ; Fu, WC; Chen, JG; Zhao, H
2017
发表期刊SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
ISSN1674-7348
卷号60期号:7页码:-
文章类型期刊论文
摘要Thermal properties are essentially decided by atomic geometry and thus stress is the most direct way for manipulating. In this paper, we investigate stress modulation of thermal conductivity of graphene by molecular dynamics simulations and discuss the underlying microscopic mechanism. It is found that thermal conductivity of flexural-free graphene increases with compression and decreases with strain, while thermal conductivity of flexural-included graphene decreases with both compression and strain. Such difference in thermal behavior originates from the changes in the anharmonicity of the interatomic potential, where the wrinkle scattering is responsible for the thermal conductivity diminishment in flexural-included graphene under strain. By comparing the results obtained from the Tersoff and AIREBO potentials, it is revealed that the degree of the symmetry of interatomic potential determines the thermal conductivity variation of graphene. Our results indicate that the symmetry of interatomic potential should be taken into careful consideration in constructing the lattice model of graphene.
关键词Single-layer Graphene Heat-transport Conductivity Systems Lattices Energy
DOI10.1007/s11433-017-9041-8
关键词[WOS]SINGLE-LAYER GRAPHENE ; HEAT-TRANSPORT ; CONDUCTIVITY ; SYSTEMS ; LATTICES ; ENERGY
收录类别SCI
语种英语
WOS记录号WOS:000402890500007
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28556
专题中科院上海应用物理研究所2011-2018年
推荐引用方式
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Jiang, JJ,Fu, WC,Chen, JG,et al. Anharmonicity induced thermal modulation in stressed graphene[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2017,60(7):-.
APA Jiang, JJ,Fu, WC,Chen, JG,&Zhao, H.(2017).Anharmonicity induced thermal modulation in stressed graphene.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,60(7),-.
MLA Jiang, JJ,et al."Anharmonicity induced thermal modulation in stressed graphene".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 60.7(2017):-.
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