Control of one-dimensional transport in multi-wall carbon nanotubes by wall destruction

被引：1
|
作者：
Sasaki, T
Miyamoto, K
Oguri, N
Ishibashi, K
Aoki, N
Ochiai, Y
机构：
[1] Chiba Univ, Ctr Frontier Elect & Photon, Chiba 2638522, Japan
[2] Chiba Univ, Dept Mat Technol, Chiba 2638522, Japan
[3] RIKEN, Adv Device Lab, Wako, Saitama 3510198, Japan
来源：
SUPERLATTICES AND MICROSTRUCTURES | 2003年 / 34卷 / 3-6期
关键词：
multi-walled carbon nanotube; electrical breakdown; focused ion beam; transport property; Tomonaga-Luttinger; variable-range hopping;
D O I：
10.1016/j.spmi.2004.03.031
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We have investigated the damage in multi-wall carbon nanotubes (MWNTs) destroyed by electrical breakdown and focused ion beam bombardment (FIBB). The transport proper-ties of a MWNT destroyed by electrical breakdown have been compared with those of a MWNT destroyed by FIBB. Also the Tomonaga-Luttinger transport (TLT) model has been applied to each type of destroyed MWNT. The MWNT destroyed by FIBB showed TLT behavior because of the weak destruction of the remaining walls. However, in the case of MWNTs destroyed by electrical breakdown, three-dimensional variable-range hopping (VRH) was observed in the low temperature transport. This suggests that the local damage has been caused by strong breakdown. There exists a clear difference between the effects of electrical breakdown and FIBB. Wall destruction by FIBB could be applied to control the one-dimensional transport of MWNTs. (C) 2004 Published by Elsevier Ltd
引用
收藏
页码：371 / 375
页数：5
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