High-field response and direct identification of metallic and semiconducting multiwalled carbon nanotubes

被引:16
|
作者
Liang, XL
Peng, LM [1 ]
Chen, Q
Che, RC
Xia, Y
Xue, ZQ
Wu, QD
机构
[1] Peking Univ, Dept Elect, Beijing 100871, Peoples R China
[2] Chinese Acad Sci, Inst Phys, Beijing Lab Electron Microscopy, Beijing 100080, Peoples R China
[3] Chinese Acad Sci, Ctr Condensed Matter Phys, Beijing 100080, Peoples R China
[4] Chinese Acad Sci, Ctr Microelect, Beijing 100029, Peoples R China
来源
PHYSICAL REVIEW B | 2003年 / 68卷 / 07期
关键词
D O I
10.1103/PhysRevB.68.073403
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The current through a multiwalled carbon nanotube (MWCNT) was measured as a function of time at high bias (>3 Volts), and the current curve was found to show both up and down steps. The phenomenon was explained as resulting from current induced shell-by-shell break down of the MWCNT following Collins [Science 292, 706 (2001)], and the nature of the outmost shell of the MWCNT was directly identified by monitoring the current curve.
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页数:4
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