Electronic transport anisotropy of buckling graphene under uniaxial compressive strain: Ab initio study
Electronic transport anisotropy of buckling graphene under uniaxial compressive strain: Ab initio study
复制标题
单轴压缩应变下屈曲石墨烯的电子输运各向异性:从头算研究
DOI:
10.1063/1.3680092
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发表时间:
2012-02
影响因子:
4
通讯作者:
Yu, Bin
中科院分区:
文献类型:
--
作者:
Xu, Yang;Gao, Haiyuan;Chen, Huabin;Yuan, You;Zhu, Kaicheng;Chen, Hongsheng;Jin, Zhonghe;Yu, Bin
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.
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