Investigation on nanotube-metal contacts under different contact types

被引：4

作者：

Chen, Changxin ^{[1
]}

Zhang, Wei ^{[1
]}

Wei, Liangming ^{[1
]}

Su, Yanjie ^{[1
]}

Hu, Nantao ^{[1
]}

Wang, Ying ^{[1
]}

Li, Yong ^{[1
]}

Zhong, Hanqing ^{[1
]}

Liu, Yijian ^{[1
]}

Liu, Xiaodong ^{[1
]}

Liu, Xinran ^{[1
]}

Zhang, Yafei ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Natl Key Lab Sci & Technol Micro Nano Fabricat, Key Lab Thin Film & Microfabricat,Minist Educ, Sch Elect Informat & Elect Engn,Dept Micro Nano E, Shanghai 200240, Peoples R China

来源：

MATERIALS LETTERS | 2015年 / 145卷

基金：

中国国家自然科学基金;

关键词：

Carbon nanotubes; Contacts; Electrical properties; CARBON-NANOTUBE; RESISTANCE; SINGLE;

D O I：

10.1016/j.matlet.2015.01.045

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The contacts of the metallic or semiconducting carbon nanotubes (CNTs) and the Ti (side-contacted type) or TiC (end-contacted type) have been investigated by non-equilibrium Green's function approach. The transmission coefficient and resistance of the contacts are calculated. The study shows the contact resistance between TiC and metallic or semiconducting CNT is 2 and 4 orders of magnitude lower than that between Ti and metallic or semiconducting CNT, respectively. The contact resistance between TiC and metallic CNT can be low down to similar to 6.8 k Omega. The contact characteristics are illustrated by the wave-vector conservation of electron transportation between CNT and metal. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：95 / 98

页数：4

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