Femtogram mass detection using photothermally actuated nanomechanical resonators

Nickolay V. Lavrik; Panos G. Datskos

doi:10.1063/1.1569050

Femtogram mass detection using photothermally actuated nanomechanical resonators

Nickolay V. Lavrik, Panos G. Datskos

Nanofabrication Research Laboratory

Research output: Contribution to journal › Article › peer-review

293 Scopus citations

Abstract

A study was conducted on the femtogram mass detection using photothermally actuated nanomechanical resonators. The resonators were gold-coated silicon cantilevers with resonance frequencies in the range of 1 to 10 MHz, characteristic thickness of 50-100 nm and force constants of about 0.1 N/m. It was found that higher mass sensitivity was realized in an easily accessible frequency range by decreasing the mass of the cantilever and increasing the excitation amplitude.

Original language	English
Pages (from-to)	2697-2699
Number of pages	3
Journal	Applied Physics Letters
Volume	82
Issue number	16
DOIs	https://doi.org/10.1063/1.1569050
State	Published - Apr 21 2003

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abstract = "A study was conducted on the femtogram mass detection using photothermally actuated nanomechanical resonators. The resonators were gold-coated silicon cantilevers with resonance frequencies in the range of 1 to 10 MHz, characteristic thickness of 50-100 nm and force constants of about 0.1 N/m. It was found that higher mass sensitivity was realized in an easily accessible frequency range by decreasing the mass of the cantilever and increasing the excitation amplitude.",

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AB - A study was conducted on the femtogram mass detection using photothermally actuated nanomechanical resonators. The resonators were gold-coated silicon cantilevers with resonance frequencies in the range of 1 to 10 MHz, characteristic thickness of 50-100 nm and force constants of about 0.1 N/m. It was found that higher mass sensitivity was realized in an easily accessible frequency range by decreasing the mass of the cantilever and increasing the excitation amplitude.

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Femtogram mass detection using photothermally actuated nanomechanical resonators

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