Ambipolar electrical transport in semiconducting single-wall carbon nanotubes

被引:569
|
作者
Martel, R [1 ]
Derycke, V [1 ]
Lavoie, C [1 ]
Appenzeller, J [1 ]
Chan, KK [1 ]
Tersoff, J [1 ]
Avouris, P [1 ]
机构
[1] IBM Corp, Div Res, TJ Watson Res Ctr, Yorktown Hts, NY 10598 USA
关键词
D O I
10.1103/PhysRevLett.87.256805
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Ambipolar electrical transport is reported in single-wall carbon nanotube (SWNT) field-effect transistors. In particular, the properties of SWNT junctions to TiC are discussed in detail. The carbide-nanotube junctions are abrupt and robust. In contrast to planar junctions, these contacts present low resistance for the injection of both p- and n-type carriers-the apparent barrier height of the junction is modified by the gate field. Thus SWNTs offer the novel possibility of ambipolar Ohmic contacts.
引用
收藏
页码:256805 / 1
页数:4
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