Nanomechanical mass measurement using nonlinear response of a graphene membrane

被引：44
作者：
Atalaya, J. [1 ]
Kinaret, J. M. [1 ]
Isacsson, A. [1 ]
机构：
[1] Chalmers Univ Technol, Dept Appl Phys, SE-41296 Gothenburg, Sweden
来源：
EPL | 2010年 / 91卷 / 04期
基金：
瑞典研究理事会;
关键词：
RESONATORS;
D O I：
10.1209/0295-5075/91/48001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We propose a scheme to measure the mass of a single particle using the nonlinear response of a 2D nanoresonator with degenerate eigenmodes. Using numerical and analytical calculations, we show that by driving a square graphene nanoresonator into the nonlinear regime, simultaneous determination of the mass and position of an added particle is possible. Moreover, this scheme only requires measurements in a narrow frequency band near the fundamental resonance.
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页数：6
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