Shear anisotropy-driven crystallographic orientation imaging in flexible hexagonal two-dimensional atomic crystals

doi:10.1063/1.5096418

SIC OpenIR

	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 Publication	APPLIED PHYSICS LETTERS
ISSN	0003-6951
Volume	115 Issue:6
Subtype	Article
Abstract	Hexagonal 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.
DOI	10.1063/1.5096418
Language	英语
WOS Research Area	Physics
Publisher	AMER INST PHYSICS
Citation statistics	Cited Times:6[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	http://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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