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Shear anisotropy-driven crystallographic orientation imaging in flexible hexagonal two-dimensional atomic crystals
Xu, Kunqi; Pan, Yuhao; Ye, Shili; Lei, Le; Hussain, Sabir; Wang, Qianmin; Yang, Zhiyong; Liu, Xinmeng; Ji, Wei; Xu, Rui; Cheng, Zhihai
2019-08-05
Source PublicationAPPLIED PHYSICS LETTERS
ISSN0003-6951
Volume115Issue:6
SubtypeArticle
AbstractHexagonal two-dimensional (2D) atomic crystals commonly reveal intrinsically isotropic elastic properties, but stretching or bending deformation can lead to their mechanical symmetry breaking. So far, little work has been done on strain-induced in-plane anisotropic shear behaviors of such 2D atomic crystals. Here, in theory, we predict the appearance of in-plane shear stiffness anisotropy under uniaxial normal tension strain in monolayer molybdenum disulfide. We verify experimentally such a shear characteristic based on friction-driven stretch deformation during a contact scan by employing transverse shear microscopy, and we demonstrate the visualization of anisotropic shear deformation as a function of crystallographic orientation. The present work provides deep insights into flexibility governed interactions among friction, deformation, and in-plane elastic characteristics in 2D atomic crystals. Published under license by AIP Publishing.
DOI10.1063/1.5096418
Language英语
WOS Research AreaPhysics
PublisherAMER INST PHYSICS
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/26919
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Xu, Kunqi,Pan, Yuhao,Ye, Shili,et al. Shear anisotropy-driven crystallographic orientation imaging in flexible hexagonal two-dimensional atomic crystals[J]. APPLIED PHYSICS LETTERS,2019,115(6).
APA Xu, Kunqi.,Pan, Yuhao.,Ye, Shili.,Lei, Le.,Hussain, Sabir.,...&Cheng, Zhihai.(2019).Shear anisotropy-driven crystallographic orientation imaging in flexible hexagonal two-dimensional atomic crystals.APPLIED PHYSICS LETTERS,115(6).
MLA Xu, Kunqi,et al."Shear anisotropy-driven crystallographic orientation imaging in flexible hexagonal two-dimensional atomic crystals".APPLIED PHYSICS LETTERS 115.6(2019).
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