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    Rights statement: Copyright 2018 American Institute of Physics. The following article appeared in Applied Physics Letters, 113, 2018 and may be found at http://dx.doi.org/10.1063/1.5052185 This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

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Measuring carbon nanotube vibrations using a single-electron transistor as a fast linear amplifier

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Article number153101
<mark>Journal publication date</mark>10/2018
<mark>Journal</mark>Applied Physics Letters
Issue number15
Volume113
Number of pages5
Publication StatusPublished
Early online date9/10/18
<mark>Original language</mark>English

Abstract

We demonstrate sensitive and fast electrical measurements of a carbon nanotube mechanical
resonator. The nanotube is configured as a single-electron transistor, whose conductance is a sensitive transducer for its own displacement. Using an impedance-matching circuit followed by a cryogenic amplifier, the vibrations can be monitored at radio frequency. The sensitivity of this continuous displacement measurement approaches within a factor 470 of the standard quantum limit.

Bibliographic note

Copyright 2018 American Institute of Physics. The following article appeared in Applied Physics Letters, 113, 2018 and may be found at http://dx.doi.org/10.1063/1.5052185 This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.