Disentangling mechanical and mass effects on nanomechanical resonators

被引：22

作者：

Grueter, R. R. ^{[1
,2
,3
,4
]}

Khan, Z. ^{[1
,2
,3
,4
]}

Paxman, R. ^{[1
,2
,3
,4
]}

Ndieyira, J. W. ^{[1
,2
,3
,4
,5
]}

Dueck, B. ^{[1
,2
,3
,4
]}

Bircher, B. A. ^{[1
,2
,3
,4
]}

Yang, J. L. ^{[6
]}

Drechsler, U. ^{[7
]}

Despont, M. ^{[7
]}

McKendry, R. A. ^{[1
,2
,3
,4
]}

Hoogenboom, B. W. ^{[1
,2
,3
,4
]}

机构：

[1] UCL, Dept Phys, London WC1H 0AH, England

[2] UCL, Dept Chem, London WC1H 0AH, England

[3] UCL, Dept Med, London WC1H 0AH, England

[4] UCL, London Ctr Nanotechnol, London WC1H 0AH, England

[5] Jomo Kenyatta Univ Agr & Technol, Dept Chem, Nairobi 00200, Kenya

[6] Chinese Acad Sci, Inst Semicond, Beijing 100083, Peoples R China

[7] IBM Corp, Div Res, Zurich Res Lab, CH-8803 Ruschlikon, Switzerland

来源：

APPLIED PHYSICS LETTERS | 2010年 / 96卷 / 02期

基金：

英国工程与自然科学研究理事会; 英国生物技术与生命科学研究理事会;

关键词：

adsorbed layers; micromechanical resonators; microsensors; nanomechanics; CRYSTAL SILICON CANTILEVERS; BIOLOGICAL DETECTION; FREQUENCY; ARRAYS; RESONANCE; BINDING;

D O I：

10.1063/1.3285169

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Micro and nanomechanical resonators are powerful and label-free sensors of analytes in various environments. Their response, however, is a convolution of mass, rigidity, and nanoscale heterogeneity of adsorbates. Here we demonstrate a procedure to disentangle this complex sensor response, to simultaneously measure both mass and elastic properties of nanometer thick samples. This turns an apparent disadvantage of these resonators into a striking and unique asset, enabling them to measure more than mass alone.

引用

页数：3

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