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Interlayer coupling-induced controllable negative differential thermal resistance in graphene/h-BN van der Waals heterostructure

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成果类型:
期刊论文
作者:
Chen, Xue-Kun;Tan, Jia-Ling;Pang, Min;Xie, Zhong-Xiang;Zhou, Wu-Xing;...
通讯作者:
Xie, Zhong-Xiang(xiezxhu@163.com);Zhou, Wu-Xing(wuxingzhou@hnu.edu.cn);Liu, Jun(lj332125065@163.com)
作者机构:
[Pang, Min; Chen, Xue-Kun; Liu, Jun; Tan, Jia-Ling] Univ South China, Sch Math & Phys, Hengyang 421001, Peoples R China.
[Xie, Zhong-Xiang] Hunan Inst Technol, Dept Math & Phys, Hengyang 421002, Peoples R China.
[Zhou, Wu-Xing] Hunan Univ Sci & Technol, Sch Mat Sci & Engn, Xiangtan 411201, Peoples R China.
[Zhou, Wu-Xing] Hunan Univ Sci & Technol, Hunan Prov Key Lab Adv Mat New Energy Storage & Co, Xiangtan 411201, Peoples R China.
通讯机构:
[Zhong-Xiang Xie] D
[Wu-Xing Zhou; Jun Liu] S
Z.-X. Xie
Department of Mathematics and Physics, Hunan Institute of Technology, Hengyang, 421002, China
email: xiezxhu@163.com
语种:
英文
关键词:
Graphene;III-V semiconductors;Information filtering;Molecular dynamics;Phonons;Van der Waals forces;Differential thermals;Dynamics simulation;Equilibrium molecular dynamics;Filtering mechanism;Interlayer coupling;Non equilibrium;Temperature bias;Thermal transport;Two-dimensional;Van der Waal;Boron nitride
期刊:
Applied Physics Letters
ISSN:
0003-6951
年:
2022
卷:
121
期:
14
页码:
142203
基金类别:
HPC Center of University of South China Scientific Research Foundation of Hunan Provincial Education Department, (21B0401) Scientific Research Foundation of Hunan Provincial Education Department National Natural Science Foundation of China, NSFC, (11904161, 12074115) National Natural Science Foundation of China, NSFC Natural Science Foundation ofHunan Province, (2021JJ30202) Natural Science Foundation ofHunan Province
机构署名:
本校为第一机构
院系归属:
数理学院
摘要:
The van der Waals (vdW) heterostructures employing graphene and hexagonal boron nitride (h-BN) have emerged as a typical system for building emergent two-dimensional devices, such as atomically thin transistors or capacitors. Herein, we study the nonlinear thermal transport in such vdW heterostructure by non-equilibrium molecular dynamics simulations. The results show that an obvious negative differential thermal resistance (NDTR) phenomenon can be observed under small temperature bias when the interlayer coupling becomes stronger. The vibratio...

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