Fabrication of self-aligned side gates to carbon nanotubes

被引:14
作者
Robinson, LAW
Lee, SB
Teo, KBK
Chhowalla, M
Amaratunga, GAJ
Milne, WI
Williams, DA
Hasko, DG
Ahmed, H
机构
[1] Univ Cambridge, Cavendish Lab, Microelect Res Ctr, Cambridge CB3 0HE, England
[2] Univ Cambridge, Dept Engn, Cambridge CB2 1PZ, England
[3] Hitachi Cambridge Lab, Cambridge CB3 0HE, England
关键词
D O I
10.1088/0957-4484/14/2/336
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
We have fabricated self-aligned, side-gated suspended multi-walled carbon nanotubes (MWCNTs), with nanotube-to-gate spacing of less than 10 nm. Evaporated metal forms an island on a suspended MWCNT, the island and the nanotube act as a mask shielding the substrate, and lift-off then removes the metal island, leaving a set of self-aligned side gates. Al, Cr, Au, and Ti were investigated and the best results were obtained with Cr, at a yield of over 90%.
引用
收藏
页码:290 / 293
页数:4
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