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Two-dimensional layered MSi2N4 (M = Mo, W) as promising thermal management materials: a comparative study
Shen, Chen1; Wang, Lei2,3; Wei, Donghai4; Zhang, Yixuan1; Qin, Guangzhao4; Chen, Xing-Qiu2,3; Zhang, Hongbin1
Corresponding AuthorQin, Guangzhao() ; Chen, Xing-Qiu() ; Zhang, Hongbin()
2021-12-16
Source PublicationPHYSICAL CHEMISTRY CHEMICAL PHYSICS
ISSN1463-9076
Pages8
AbstractWith the miniaturization and integration of nanoelectronic devices, efficient heat removal becomes a key factor affecting their reliable operation. Two-dimensional (2D) materials, with high intrinsic thermal conductivity, good mechanical flexibility, and precisely controllable growth, are widely accepted as ideal candidates for thermal management materials. In this work, by solving the phonon Boltzmann transport equation (BTE) based on first-principles calculations, we investigated the thermal conductivity of novel 2D layered MSi2N4 (M = Mo, W). Our results point to a competitive thermal conductivity as large as 162 W m(-1) K-1 of monolayer MoSi2N4, which is around two times larger than that of WSi2N4 and seven times larger than that of monolayer MoS2 despite their similar non-planar structures. It is revealed that the high thermal conductivity arises mainly from its large group velocity and low anharmonicity. Our result suggests that MoSi2N4 could be a potential candidate for 2D thermal management materials.
Funding OrganizationNational Science Fund for Distinguished Young Scholars ; Fundamental Research Funds for the Central Universities ; National Natural Science Foundation of China ; Changsha Municipal Natural Science Foundation ; TU Darmstadt
DOI10.1039/d1cp03941e
Indexed BySCI
Language英语
Funding ProjectNational Science Fund for Distinguished Young Scholars[51725103] ; Fundamental Research Funds for the Central Universities[531118010471] ; National Natural Science Foundation of China[52006057] ; Changsha Municipal Natural Science Foundation[kq2014034] ; TU Darmstadt
WOS Research AreaChemistry ; Physics
WOS SubjectChemistry, Physical ; Physics, Atomic, Molecular & Chemical
WOS IDWOS:000743624600001
PublisherROYAL SOC CHEMISTRY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/173751
Collection中国科学院金属研究所
Corresponding AuthorQin, Guangzhao; Chen, Xing-Qiu; Zhang, Hongbin
Affiliation1.Tech Univ Darmstadt, Inst Mat Wissench, D-64287 Darmstadt, Germany
2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
3.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
4.Hunan Univ, Coll Mech & Vehicle Engn, State Key Lab Adv Design & Mfg Vehicle Body, Changsha 410082, Hunan, Peoples R China
Recommended Citation
GB/T 7714
Shen, Chen,Wang, Lei,Wei, Donghai,et al. Two-dimensional layered MSi2N4 (M = Mo, W) as promising thermal management materials: a comparative study[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2021:8.
APA Shen, Chen.,Wang, Lei.,Wei, Donghai.,Zhang, Yixuan.,Qin, Guangzhao.,...&Zhang, Hongbin.(2021).Two-dimensional layered MSi2N4 (M = Mo, W) as promising thermal management materials: a comparative study.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,8.
MLA Shen, Chen,et al."Two-dimensional layered MSi2N4 (M = Mo, W) as promising thermal management materials: a comparative study".PHYSICAL CHEMISTRY CHEMICAL PHYSICS (2021):8.
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