Scanning tunneling microscopy image modeling for zigzag-edge graphene nanoribbons
文献类型：期刊论文
| 作者 | X. W. Chen ; H. Q. Wan ; K. H. Song ; D. S. Tang ; G. H. Zhou |
| 刊名 | Applied Physics Letters
 |
| 出版日期 | 2011 |
| 卷号 | 98期号:26 |
| 关键词 | massless dirac fermions quantum transport |
| ISSN号 | 0003-6951 |
| 中文摘要 | Based on the nonequilibrium Green's function with tight-binding approximation scheme, we study the scanning tunneling microscopy (STM) current from a semi-infinite quantum wire to carbon sites of a zigzag-edge graphene nanoribbon (ZGNR) via an adatom on it. We find that although the existence of local edge states, only the even order number carbon chains near the edge provide good conducting channels, and the STM image should be alternative with dark-bright fringes. This effect has not been shown in previous studies by treating a ZGNR in its entirety, and it may be useful for the STM experimental characterization on graphene samples. (C) 2011 American Institute of Physics. [doi:10.1063/1.3600788] |
| 原文出处 | |
| 公开日期 | 2012-04-13 |
| 源URL | [http://210.72.142.130/handle/321006/30270]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 推荐引用方式 GB/T 7714 | X. W. Chen,H. Q. Wan,K. H. Song,et al. Scanning tunneling microscopy image modeling for zigzag-edge graphene nanoribbons[J]. Applied Physics Letters,2011,98(26). |
| APA | X. W. Chen,H. Q. Wan,K. H. Song,D. S. Tang,&G. H. Zhou.(2011).Scanning tunneling microscopy image modeling for zigzag-edge graphene nanoribbons.Applied Physics Letters,98(26). |
| MLA | X. W. Chen,et al."Scanning tunneling microscopy image modeling for zigzag-edge graphene nanoribbons".Applied Physics Letters 98.26(2011). |
入库方式： OAI收割
来源：金属研究所
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