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Atomic-Scale Mass Sensing Using Carbon Nanotube Resonators

Chiu, Hsin-Ying and Hung, Peter and Postma, Henk W. Ch. and Bockrath, Marc (2008) Atomic-Scale Mass Sensing Using Carbon Nanotube Resonators. Nano Letters, 8 (12). pp. 4342-4346. ISSN 1530-6984. https://resolver.caltech.edu/CaltechAUTHORS:CHInl08

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Abstract

Ultraminiaturized mass spectrometers are highly sought-after tools, with numerous applications in areas such as environmental protection, exploration, and drug development. We realize atomic scale mass sensing using doubly clamped suspended carbon nanotube nanomechanical resonators, in which their single-electron transistor properties allows self-detection of the nanotube vibration. We use the detection of shifts in the resonance frequency of the nanotubes to sense and determine the inertial mass of atoms as well as the mass of the nanotube. This highly sensitive mass detection capability may eventually enable applications such as on-chip detection, analysis, and identification of compounds.


Item Type:Article
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URLURL TypeDescription
http://dx.doi.org/10.1021/nl802181cDOIUNSPECIFIED
Additional Information:Copyright © 2008 American Chemical Society. Received July 19, 2008; Revised Manuscript Received September 25, 2008. Publication Date (Web): November 18, 2008. We thank C. N. Lau, D. H. Cobden, Z. H. Wang, O. Vilches, A. Bachtold, X. L. Feng, J. S. Gao, H. Maune, and I. Kozinsky for helpful discussions. We thank M. Gerfen for the cryostat construction. We thank P. Kelly, N. Asplund, S. Mitrovic, and C. Hughes for helpful discussions concerning the cryostat design. We thank the Micro/Nano Fabrication Laboratory and the Kavli Nanoscience Institute at Caltech, the Center For Nanoscale Science and Engineering at UCR, and the Nanoelectronics Research Facility at UCLA where the sample fabrication was performed. M.B. acknowledges support by funding from NSF-NRI, the Ross Brown Foundation, and ONR.
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Funding AgencyGrant Number
Kavli Nanocscience Institute, CaltechUNSPECIFIED
National Science FoundationUNSPECIFIED
Ross Brown FoundationUNSPECIFIED
Office of Naval ResearchUNSPECIFIED
Issue or Number:12
Record Number:CaltechAUTHORS:CHInl08
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:CHInl08
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:12913
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:13 Jan 2009 02:36
Last Modified:03 Oct 2019 00:32

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