CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Anharmonicity induced thermal modulation in stressed graphene
Jiang, JJ; Fu, WC; Chen, JG; Zhao, H
2017
Source PublicationSCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
ISSN1674-7348
Volume60Issue:7Pages:-
Subtype期刊论文
AbstractThermal 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.
KeywordSingle-layer Graphene Heat-transport Conductivity Systems Lattices Energy
DOI10.1007/s11433-017-9041-8
WOS KeywordSINGLE-LAYER GRAPHENE ; HEAT-TRANSPORT ; CONDUCTIVITY ; SYSTEMS ; LATTICES ; ENERGY
Indexed BySCI
Language英语
WOS IDWOS:000402890500007
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/28556
Collection中科院上海应用物理研究所2011-2018年
Recommended Citation
GB/T 7714
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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