We report on an electrical detection method of ultrasensitive carbon nanotube mechanical resonators. The noise floor of the detection method is reduced using a RLC resonator and an amplifier based on a high electron mobility transistor cooled at 4.2 K. This allows us to resolve the resonance frequency of nanotube resonators with an unprecedented quality. We show that the noise of the resonance frequency measured at 4.2 K is limited by the resonator itself, and not by the imprecision of the measurement. The Allan deviation reaches ∼10−5 at 125 ms integration time. When comparing the integration time dependence of the Allan deviation to a power law, the exponent approaches ∼1/4. The Allan deviation might be limited by the diffusion of particles over the surface of the nanotube. Our work holds promise for mass spectrometry and surface science experiments based on mechanical nano-resonators.
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6 August 2018
Research Article|
August 10 2018
Improving the read-out of the resonance frequency of nanotube mechanical resonators
Jil Schwender;
Jil Schwender
1
ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology
, 08860 Castelldefels, Barcelona, Spain
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Ioannis Tsioutsios;
Ioannis Tsioutsios
a)
1
ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology
, 08860 Castelldefels, Barcelona, Spain
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Alexandros Tavernarakis;
Alexandros Tavernarakis
1
ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology
, 08860 Castelldefels, Barcelona, Spain
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Quan Dong;
Quan Dong
2
Centre de Nanosciences et de Nanotechnologies, CNRS, Univ. Paris-Sud, Univ. Paris-Saclay, C2N-Marcoussis
, 91460 Marcoussis, France
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Yong Jin;
Yong Jin
2
Centre de Nanosciences et de Nanotechnologies, CNRS, Univ. Paris-Sud, Univ. Paris-Saclay, C2N-Marcoussis
, 91460 Marcoussis, France
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Urs Staufer;
Urs Staufer
1
ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology
, 08860 Castelldefels, Barcelona, Spain
3
Department of Precision and Microsystems Engineering, Research Group of Micro and Nano-Engineering, Delft University of Technology
, Mekelweg 2, 2628 CD Delft, The Netherlands
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Adrian Bachtold
Adrian Bachtold
b)
1
ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology
, 08860 Castelldefels, Barcelona, Spain
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a)
Present address: Department of Applied Physics, Yale University, New Haven, CT 06520, USA.
b)
Electronic mail: adrian.bachtold@icfo.eu.
Appl. Phys. Lett. 113, 063104 (2018)
Article history
Received:
June 19 2018
Accepted:
July 27 2018
Citation
Jil Schwender, Ioannis Tsioutsios, Alexandros Tavernarakis, Quan Dong, Yong Jin, Urs Staufer, Adrian Bachtold; Improving the read-out of the resonance frequency of nanotube mechanical resonators. Appl. Phys. Lett. 6 August 2018; 113 (6): 063104. https://doi.org/10.1063/1.5045309
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