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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

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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
Original languageEnglish

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.

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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.