Length-dependent transport properties of (12,0)/(n,m)/(12,0) single-wall carbon nanotube heterostructures
文献类型：期刊论文
| 作者 | Zhang, WX ; Lu, WG ; Wang, EG |
| 刊名 | PHYSICAL REVIEW B
 |
| 出版日期 | 2005 |
| 卷号 | 72期号:7 |
| 关键词 | LUTTINGER-LIQUID BEHAVIOR GRAPHITIC CARBON CONDUCTANCE TRANSISTORS SENSORS |
| ISSN号 | 1098-0121 |
| 通讯作者 | Zhang, WX: Chinese Acad Sci, Inst Phys, POB 603, Beijing 100080, Peoples R China. |
| 中文摘要 | We study the length-dependent transport behaviors of (12,0)/(n,m)/(12,0) heterostructures using a pi-orbital tight-binding model and a Green's function technique. When (n,m) is a semiconducting tube, or a (6,6) tube with sixfold rotational symmetry C-6 on the interfaces, conductance G decreases exponentially with the length L of the (n,m) tube. However, we find an anomalous increase of G with L in the (12,0)/(9,0)/(12,0) heterostructure. We explain this anomalous phenomenon and reproduce the transport behaviors of the heterostructure very well by introducing an exponentially dropped potential (EDP) around the interfaces. This model helps us to understand the physics of carbon nanotubes with finite lengths. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2013-09-18 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/40771]  |
| 专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
| 推荐引用方式 GB/T 7714 | Zhang, WX,Lu, WG,Wang, EG. Length-dependent transport properties of (12,0)/(n,m)/(12,0) single-wall carbon nanotube heterostructures[J]. PHYSICAL REVIEW B,2005,72(7). |
| APA | Zhang, WX,Lu, WG,&Wang, EG.(2005).Length-dependent transport properties of (12,0)/(n,m)/(12,0) single-wall carbon nanotube heterostructures.PHYSICAL REVIEW B,72(7). |
| MLA | Zhang, WX,et al."Length-dependent transport properties of (12,0)/(n,m)/(12,0) single-wall carbon nanotube heterostructures".PHYSICAL REVIEW B 72.7(2005). |
入库方式： OAI收割
来源：物理研究所
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