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Damping in high-frequency metallic nanomechanical resonators

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Damping in high-frequency metallic nanomechanical resonators. / Hoehne, F.; Pashkin, Yuri; Astafiev, O. et al.
In: Physical review B, Vol. 81, No. 18, 184112, 01.05.2010, p. -.

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

Harvard

Hoehne, F, Pashkin, Y, Astafiev, O, Faoro, L, Ioffe, LB, Nakamura, Y & Tsai, JS 2010, 'Damping in high-frequency metallic nanomechanical resonators', Physical review B, vol. 81, no. 18, 184112, pp. -. https://doi.org/10.1103/PhysRevB.81.184112

APA

Hoehne, F., Pashkin, Y., Astafiev, O., Faoro, L., Ioffe, L. B., Nakamura, Y., & Tsai, J. S. (2010). Damping in high-frequency metallic nanomechanical resonators. Physical review B, 81(18), -. Article 184112. https://doi.org/10.1103/PhysRevB.81.184112

Vancouver

Hoehne F, Pashkin Y, Astafiev O, Faoro L, Ioffe LB, Nakamura Y et al. Damping in high-frequency metallic nanomechanical resonators. Physical review B. 2010 May 1;81(18):-. 184112. doi: 10.1103/PhysRevB.81.184112

Author

Hoehne, F. ; Pashkin, Yuri ; Astafiev, O. et al. / Damping in high-frequency metallic nanomechanical resonators. In: Physical review B. 2010 ; Vol. 81, No. 18. pp. -.

Bibtex

@article{3b82e6eda09f49718c8111b2740c6411,
title = "Damping in high-frequency metallic nanomechanical resonators",
abstract = "We have studied damping in polycrystalline Al nanomechanical resonators by measuring the temperature dependence of their resonance frequency and quality factor over a temperature range of 0.1-4 K. Two regimes are clearly distinguished with a crossover temperature of 1 K. Below 1 K we observe a logarithmic temperature dependence of the frequency and linear dependence of damping that cannot be explained by the existing standard models. We attribute these phenomena to the effect of the two-level systems characterized by the unexpectedly long (at least two orders of magnitude longer) relaxation times and discuss possible microscopic models for such systems. We conclude that the dynamics of the two-level systems is dominated by their interaction with one-dimensional phonon modes of the resonators.",
author = "F. Hoehne and Yuri Pashkin and O. Astafiev and L. Faoro and Ioffe, {L. B.} and Y. Nakamura and Tsai, {J. S.}",
year = "2010",
month = may,
day = "1",
doi = "10.1103/PhysRevB.81.184112",
language = "English",
volume = "81",
pages = "--",
journal = "Physical review B",
issn = "1098-0121",
publisher = "AMER PHYSICAL SOC",
number = "18",

}

RIS

TY - JOUR

T1 - Damping in high-frequency metallic nanomechanical resonators

AU - Hoehne, F.

AU - Pashkin, Yuri

AU - Astafiev, O.

AU - Faoro, L.

AU - Ioffe, L. B.

AU - Nakamura, Y.

AU - Tsai, J. S.

PY - 2010/5/1

Y1 - 2010/5/1

N2 - We have studied damping in polycrystalline Al nanomechanical resonators by measuring the temperature dependence of their resonance frequency and quality factor over a temperature range of 0.1-4 K. Two regimes are clearly distinguished with a crossover temperature of 1 K. Below 1 K we observe a logarithmic temperature dependence of the frequency and linear dependence of damping that cannot be explained by the existing standard models. We attribute these phenomena to the effect of the two-level systems characterized by the unexpectedly long (at least two orders of magnitude longer) relaxation times and discuss possible microscopic models for such systems. We conclude that the dynamics of the two-level systems is dominated by their interaction with one-dimensional phonon modes of the resonators.

AB - We have studied damping in polycrystalline Al nanomechanical resonators by measuring the temperature dependence of their resonance frequency and quality factor over a temperature range of 0.1-4 K. Two regimes are clearly distinguished with a crossover temperature of 1 K. Below 1 K we observe a logarithmic temperature dependence of the frequency and linear dependence of damping that cannot be explained by the existing standard models. We attribute these phenomena to the effect of the two-level systems characterized by the unexpectedly long (at least two orders of magnitude longer) relaxation times and discuss possible microscopic models for such systems. We conclude that the dynamics of the two-level systems is dominated by their interaction with one-dimensional phonon modes of the resonators.

U2 - 10.1103/PhysRevB.81.184112

DO - 10.1103/PhysRevB.81.184112

M3 - Journal article

VL - 81

SP - -

JO - Physical review B

JF - Physical review B

SN - 1098-0121

IS - 18

M1 - 184112

ER -