Mass detection by means of the vibrating nanomechanical resonators

被引：45

作者：

Stachiv, I. ^{[1
]}

Fedorchenko, A. I. ^{[2
]}

Chen, Y. -L. ^{[1
,3
,4
]}

机构：

[1] Acad Sinica, Inst Phys, Taipei 11529, Taiwan

[2] AS CR, Inst Thermomech, Vvi, Prague 18200 8, Czech Republic

[3] Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan

[4] Natl Tsing Hua Univ, Dept Chem Engn, Hsinchu 30013, Taiwan

来源：

APPLIED PHYSICS LETTERS | 2012年 / 100卷 / 09期

关键词：

cantilevers; micromechanical resonators; vibrations; SENSORS;

D O I：

10.1063/1.3691195

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We present a theoretical analysis of the vibrating resonator in cantilever and bridge configurations operating as ultrasensitive mass sensors. An exact solution of the problem has been obtained. For the small mass ratio, the asymptotic solutions (which relate the frequency shift, mass ratio, and position of the attached particle) have been derived. It has been shown that the mass and position of the attached particle for the cantilever configuration can be unambiguously resolved by the use of three consecutive resonant frequencies. For the bridge configuration, the particle mass can be deduced by using only two measured resonant frequencies. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.3691195]

引用

页数：3

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