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Super-stretchable borophene
Pang ZQ; Qian X; Wei YJ(魏宇杰); Yang RG; Wei, YJ (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China.
Source PublicationEPL
AbstractRecent success in the synthesis of the two-dimensional borophene on silver substrates has attracted strong interest in exploring its extraordinary properties for potential technological applications. The single-layer borophene has a buckled structure with atomic ridges. By using the first-principles density functional theory calculations, we show that the two-dimensional borophene is highly stretchable with strong anisotropy The strain-to-failure in the direction along the atomic ridges is nearly twice as large as that across the atomic ridges. The straining-induced flattening and the subsequent stretch of the flat borophene are accounted for the large strain-to-failure for tension along the atomic ridges. We also investigated the mechanics of monolayer borophene under biaxial tension and we found that the biaxial tension increases the strength across the atomic ridges but decreases the failure strain along the atomic ridges. Furthermore, when the bilayer borophene is stretched along the cross-plane direction, the strength and failure strain of the bilalyer borophene are much higher than those of the bilayer graphene due to the very strong inter-layer chemical bonding. Copyright (C) EPLA, 2016
Indexed BySCI
WOS IDWOS:000392953800017
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
Funding OrganizationYW acknowledges the support from the National Natural Science Foundation of China (NSFC) (Grant No. 11425211). RY acknowledges the support from National Science Foundation (Grant No. 1512776). Calculations are performed at the Supercomputing Center of CAS and the Janus supercomputer supported by National Science Foundation (Grant No. 0821794) and University of Colorado Boulder.
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Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorWei, YJ (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech LNM, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Pang ZQ,Qian X,Wei YJ,et al. Super-stretchable borophene[J]. EPL,2016,116(3):36001.
APA Pang ZQ,Qian X,Wei YJ,Yang RG,&Wei, YJ .(2016).Super-stretchable borophene.EPL,116(3),36001.
MLA Pang ZQ,et al."Super-stretchable borophene".EPL 116.3(2016):36001.
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