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Applied Physics Letters / Volume 100 / Issue 5 / SEMICONDUCTORS

Appl. Phys. Lett. 100, 052111 (2012); http://dx.doi.org/10.1063/1.3680092 (3 pages)

Electronic transport anisotropy of buckling graphene under uniaxial compressive strain: Ab initio study

Yang Xu1, Haiyuan Gao1, Huabin Chen1, You Yuan1, Kaicheng Zhu1, Hongsheng Chen1, Zhonghe Jin1, and Bin Yu2

1Department of Information Science and Electronic Engineering, Zhejiang University, Hangzhou 310027, China
2College of Nanoscale Science and Engineering, State University of New York, Albany, New York 12203, USA

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(Received 29 August 2011; accepted 9 January 2012; published online 1 February 2012)

Electronic transport properties of graphene under uniaxial compressive strain are studied using ab initio calculations. With approximate thermal perturbation, buckling occurs when strain exceeds a threshold, comparing to flat unperturbed structures. Transmissions of flat graphene compressed along zigzag direction (ZCG) and buckled graphene compressed along armchair direction (ACG) are insensitive to strain, whereas those of buckled ZCG and flat ACG are negatively correlated to strain. Flat graphene has anisotropic resistance along the strain direction, while buckling suppresses the anisotropy by releasing the strain. The insensitivity of buckled graphene on strain direction and out-of-plane deformation makes feasible to implement flexible electronics.

© 2012 American Institute of Physics

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KEYWORDS and PACS

Keywords

ab initio calculations, buckling, electrical resistivity, graphene

PACS

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3680092

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    Y. Xu, Z. Guo, H. Chen, Y. Yuan, J. Lou, X. Lin, H. Gao, and B. Yu, Appl. Phys. Lett. 99, 133109 (2011)APPLAB000099000013133109000001.

    Z. H. Aitken and R. Huang, J. Appl. Phys. 107, 123531 (2010)JAPIAU000107000012123531000001.

    M. Poetschke, C. G. Rocha, L. E. F. F. Torres, S. Roche, and G. Cuniberti, Phys. Rev. B 81, 193404 (2010).

    Z. Z. Yu, L. Z. Sun, C. X. Zhang, and J. X. Zhong, Appl. Phys. Lett. 96, 173101 (2010)APPLAB000096000017173101000001.


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