期刊论文

Deng, X. Q.

英文

RSC Advances

2046-2069

2014

4

103

58941-58948

10.1039/c4ra09566a

National Natural Science Foundation of China [61371065, 61101009, 61201080]; Scientific Research Fund of Hunan Provincial Education Department [11B008, 12A001]; Construct Program of the Key Discipline in Hunan Province; Aid Program for Science and Technology Innovative Research Team in Higher Educational Institutions of Hunan Province

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We investigate the electronic transport properties of zigzag-edged silicene nanoribbons (ZSiNRs) with one or two protrusions at the edges using the density functional theory combined with nonequilibrium Green's function method. It is found that the protrusion generally breaks down the edge state along the same edge, which carries current in the junction. For the ZSiNR having an even number of zigzag chains in its width, the protrusions can increase the conductance except for the case of two symmetric protrusions. For ZSiNRs with an odd number o...