Home > Research > Publications & Outputs > Dissipation due to tunneling two-level systems ...

Research

Links

Text available via DOI:

View graph of relations

Dissipation due to tunneling two-level systems in gold nanomechanical resonators

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

Published

Standard

Dissipation due to tunneling two-level systems in gold nanomechanical resonators. / Venkatesan, A.; Lulla, K. J.; Patton, M. J. et al.
In: Physical review B, Vol. 81, No. 7, 073410, 24.02.2010.

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

Harvard

Venkatesan, A, Lulla, KJ, Patton, MJ, Armour, AD, Mellor, CJ & Owers-Bradley, JR 2010, 'Dissipation due to tunneling two-level systems in gold nanomechanical resonators', Physical review B, vol. 81, no. 7, 073410. https://doi.org/10.1103/PhysRevB.81.073410

APA

Venkatesan, A., Lulla, K. J., Patton, M. J., Armour, A. D., Mellor, C. J., & Owers-Bradley, J. R. (2010). Dissipation due to tunneling two-level systems in gold nanomechanical resonators. Physical review B, 81(7), Article 073410. https://doi.org/10.1103/PhysRevB.81.073410

Vancouver

Venkatesan A, Lulla KJ, Patton MJ, Armour AD, Mellor CJ, Owers-Bradley JR. Dissipation due to tunneling two-level systems in gold nanomechanical resonators. Physical review B. 2010 Feb 24;81(7):073410. doi: 10.1103/PhysRevB.81.073410

Author

Venkatesan, A. ; Lulla, K. J. ; Patton, M. J. et al. / Dissipation due to tunneling two-level systems in gold nanomechanical resonators. In: Physical review B. 2010 ; Vol. 81, No. 7.

Bibtex

@article{f362f00f49c14472803eb2b75cc3a934,
title = "Dissipation due to tunneling two-level systems in gold nanomechanical resonators",
abstract = "We present measurements of the dissipation and frequency shift in gold nanomechanical resonators at temperatures down to 10 mK. The resonators were fabricated as doubly clamped beams above a GaAs substrate and actuated magnetomotively. Measurements on beams with frequencies 7.95 and 3.87 MHz revealed that from 30 to 500 mK the dissipation increases with temperature as T0.5, with saturation occurring at higher temperatures. The relative frequency shift of the resonators increases logarithmically with temperature up to at least 400 mK. Similarities with the behavior of bulk amorphous solids suggest that the dissipation in our resonators is dominated by two-level systems.",
author = "A. Venkatesan and Lulla, {K. J.} and Patton, {M. J.} and Armour, {A. D.} and Mellor, {C. J.} and Owers-Bradley, {J. R.}",
year = "2010",
month = feb,
day = "24",
doi = "10.1103/PhysRevB.81.073410",
language = "English",
volume = "81",
journal = "Physical review B",
issn = "2469-9950",
publisher = "AMER PHYSICAL SOC",
number = "7",

}

RIS

TY - JOUR

T1 - Dissipation due to tunneling two-level systems in gold nanomechanical resonators

AU - Venkatesan, A.

AU - Lulla, K. J.

AU - Patton, M. J.

AU - Armour, A. D.

AU - Mellor, C. J.

AU - Owers-Bradley, J. R.

PY - 2010/2/24

Y1 - 2010/2/24

N2 - We present measurements of the dissipation and frequency shift in gold nanomechanical resonators at temperatures down to 10 mK. The resonators were fabricated as doubly clamped beams above a GaAs substrate and actuated magnetomotively. Measurements on beams with frequencies 7.95 and 3.87 MHz revealed that from 30 to 500 mK the dissipation increases with temperature as T0.5, with saturation occurring at higher temperatures. The relative frequency shift of the resonators increases logarithmically with temperature up to at least 400 mK. Similarities with the behavior of bulk amorphous solids suggest that the dissipation in our resonators is dominated by two-level systems.

AB - We present measurements of the dissipation and frequency shift in gold nanomechanical resonators at temperatures down to 10 mK. The resonators were fabricated as doubly clamped beams above a GaAs substrate and actuated magnetomotively. Measurements on beams with frequencies 7.95 and 3.87 MHz revealed that from 30 to 500 mK the dissipation increases with temperature as T0.5, with saturation occurring at higher temperatures. The relative frequency shift of the resonators increases logarithmically with temperature up to at least 400 mK. Similarities with the behavior of bulk amorphous solids suggest that the dissipation in our resonators is dominated by two-level systems.

U2 - 10.1103/PhysRevB.81.073410

DO - 10.1103/PhysRevB.81.073410

M3 - Journal article

VL - 81

JO - Physical review B

JF - Physical review B

SN - 2469-9950

IS - 7

M1 - 073410

ER -