Carbon nanotube oscillators toward zeptogram detection

被引：86

作者：

Nishio, M

Sawaya, S

Akita, S

Nakayama, Y

机构：

[1] Osaka Prefecture Univ, Dept Phys & Elect, Osaka 5998531, Japan

[2] Osaka Univ, Grad Sch Engn, Handai Frontier Res Ctr, Suita, Osaka 5650871, Japan

来源：

APPLIED PHYSICS LETTERS | 2005年 / 86卷 / 13期

基金：

日本学术振兴会;

关键词：

D O I：

10.1063/1.1896426

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We demonstrate an application of a nanotube cantilever for zeptogram-level mass detection. This letter presents a quantitative method to measure the oscillation amplitude of a nanotube cantilever using a focused electron beam of a scanning electron microscope. The quality factor of similar to 1000 for the nanotube cantilever is revealed and the resolution of the resonant frequency is achieved to be similar to 10 Hz, which corresponds to a mass range of less than 100 zg at room temperature. (C) 2005 American Institute of Physics.

引用

页码：1 / 3

页数：3

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