Nanomechanical mass measurement using nonlinear response of a graphene membrane

Nanomechanical mass measurement using nonlinear response of a graphene membrane
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DOI:
10.1209/0295-5075/91/48001
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发表时间:
2010-08-01
期刊:
EPL
影响因子:
1.8
通讯作者:
Isacsson, A.
Isacsson, A.
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
Atalaya, J.;Kinaret, J. M.;Isacsson, A.

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我们提出了一个方案来测量一个单一的粒子的质量使用的非线性响应的二维纳米谐振器与简并的本征模。使用数值和分析计算,我们表明,通过驱动一个正方形的石墨烯纳米谐振器进入非线性制度,同时确定的质量和位置的添加粒子是可能的。此外,该方案仅需要在基本谐振附近的窄频带中进行测量。
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.