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Closed Access item Mass sensing based on deterministic and stochastic responses of elastically coupled nanocantilevers

Authors:Gil-Santos, Eduardo
Ramos Vega, Daniel
Jana, A.
Calleja, Montserrat
Raman, A.
Tamayo, Javier
Issue Date:2009
Publisher:American Chemical Society
Citation:Nano Letters 9: 4122-4127 (2009)
Abstract:Coupled nanomechanical systems and their entangled eigenstates offer unique opportunities for the detection of ultrasmall masses. In this paper we show theoretically and experimentally that the stochastic and deterministic responses of a pair of coupled nanocantilevers provide different and complementary information about the added mass of an analyte and its location. This method allows the sensitive detection of minute quantities of mass even in the presence of large initial differences in the active masses of the two cantilevers. Finally, we show the fundamental limits in mass detection of this sensing paradigm. © 2009 American Chemical Society.
URI:http://hdl.handle.net/10261/52125
Identifiers:doi: 10.1021/nl902350b
issn: 1530-6984
Appears in Collections:(IMM-CNM) Artículos

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