| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Electronic transport of bilayer graphene with asymmetry line defects |
| Xiao-Ming Zhao(赵小明)1, Ya-Jie Wu(吴亚杰)2, Chan Chen(陈婵)1, Ying Liang(梁颖)1, Su-Peng Kou(寇谡鹏)1 |
1 Department of Physics, Beijing Normal University, Beijing 100875, China;
2 School of Science, Xi'an Technological University, Xi'an 710021, China |
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Abstract In this paper, we study the quantum properties of a bilayer graphene with (asymmetry) line defects. The localized states are found around the line defects. Thus, the line defects on one certain layer of the bilayer graphene can lead to an electric transport channel. By adding a bias potential along the direction of the line defects, we calculate the electric conductivity of bilayer graphene with line defects using the Landauer-Büttiker theory, and show that the channel affects the electric conductivity remarkably by comparing the results with those in a perfect bilayer graphene. This one-dimensional line electric channel has the potential to be applied in nanotechnology engineering.
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Received: 20 June 2016
Revised: 10 August 2016
Accepted manuscript online:
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PACS:
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73.22.Pr
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(Electronic structure of graphene)
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73.20.Hb
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(Impurity and defect levels; energy states of adsorbed species)
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71.15.Ap
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(Basis sets (LCAO, plane-wave, APW, etc.) and related methodology (scattering methods, ASA, linearized methods, etc.))
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| Fund: Project supported by the National Basic Research Program of China (Grant Nos. 2011CB921803 and 2012CB921704), the National Natural Science Foundation of China (Grant Nos. 11174035, 11474025, 11504285, and 11404090), the Specialized Research Fund for the Doctoral Program of Higher Education, China, the Fundamental Research Funds for the Central Universities, China, the Scientific Research Program Fund of the Shaanxi Provincial Education Department, China (Grant No. 15JK1363), and the Young Talent Fund of University Association for Science and Technology in Shaanxi Province, China. |
Corresponding Authors:
Su-Peng Kou
E-mail: spkou@bnu.edu.cn
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Cite this article:
Xiao-Ming Zhao(赵小明), Ya-Jie Wu(吴亚杰), Chan Chen(陈婵), Ying Liang(梁颖), Su-Peng Kou(寇谡鹏) Electronic transport of bilayer graphene with asymmetry line defects 2016 Chin. Phys. B 25 117303
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