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 graph...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-Biittiker 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.展开更多
基金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)+3 种基金the Specialized Research Fund for the Doctoral Program of Higher Education,Chinathe Fundamental Research Funds for the Central Universities,Chinathe Scientific Research Program Fund of the Shaanxi Provincial Education Department,China(Grant No.15JK1363)the Young Talent Fund of University Association for Science and Technology in Shaanxi Province,China
文摘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-Biittiker 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.
