| Issue |
EPL
Volume 91, Number 4, August 2010
|
|
|---|---|---|
| Article Number | 48001 | |
| Number of page(s) | 6 | |
| Section | Interdisciplinary Physics and Related Areas of Science and Technology | |
| DOI | https://doi.org/10.1209/0295-5075/91/48001 | |
| Published online | 02 September 2010 | |
Nanomechanical mass measurement using nonlinear response of a graphene membrane
Department of Applied Physics, Chalmers University of Technology - SE-412, 96 Göteborg, Sweden, EU
a
andreas.isacsson@chalmers.se
Received:
21
May
2010
Accepted:
2
August
2010
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.
PACS: 85.85.+j – Micro- and nano-electromechanical systems (MEMS/NEMS) and devices / 06.30.Dr – Mass and density / 05.45.-a – Nonlinear dynamics and chaos
© EPLA, 2010
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