Single-wall carbon nanotube circuits assembled with an atomic force microscope

被引：63

作者：

Lefebvre, J ^{[1
]}

Lynch, JF ^{[1
]}

Llaguno, M ^{[1
]}

Radosavljevic, M ^{[1
]}

Johnson, AT ^{[1
]}

机构：

[1] Univ Penn, Dept Phys & Astron, Philadelphia, PA 19104 USA

来源：

APPLIED PHYSICS LETTERS | 1999年 / 75卷 / 19期

关键词：

D O I：

10.1063/1.125218

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have developed a method to assemble single-wall carbon nanotube (SWNT) circuits using a tapping mode atomic force microscope. Nanotubes can be controllably translated, rotated, cut, and placed on top of one another by varying the tip-sample force, and the tip speed. These operations let us construct complex nanotube circuits, which are contacted using electron beam lithography. We present data from a circuit of two crossed SWNT bundles. The lower bundle behaves as two quantum dots in series, separated by a tunnel barrier created at the junction. Gate voltages can tune the number of charges on each dot and the tunnel barrier transmission. (C) 1999 American Institute of Physics. [S0003-6951(99)04445-9].

引用

页码：3014 / 3016

页数：3

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