Low-temperature anomalies in the dissipation of small mechanical resonators

D. S. Greywall; B. Yurke; P. A. Busch; S. C. Arney

doi:10.1209/epl/i1996-00412-2

Low-temperature anomalies in the dissipation of small mechanical resonators

D. S. Greywall, B. Yurke, P. A. Busch, S. C. Arney

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Abstract

At very low temperatures the dissipation of a mechanical resonator is normally expected to be featureless and to vary slowly with temperature. Here we report measurements made at low-mK temperatures using a simple single-crystal silicon beam with a smallest dimension of 2.5 μm. Contrary to results obtained on larger resonators these data show a series of dissipation peaks which grow in magnitude with decreasing temperature. One sample exhibited five distinct peaks with equal spacings of 7.7 mK.

Original language	English
Pages (from-to)	37-42
Number of pages	6
Journal	Europhysics Letters
Volume	34
Issue number	1
DOIs	https://doi.org/10.1209/epl/i1996-00412-2
State	Published - 1 Apr 1996
Externally published	Yes

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title = "Low-temperature anomalies in the dissipation of small mechanical resonators",

abstract = "At very low temperatures the dissipation of a mechanical resonator is normally expected to be featureless and to vary slowly with temperature. Here we report measurements made at low-mK temperatures using a simple single-crystal silicon beam with a smallest dimension of 2.5 μm. Contrary to results obtained on larger resonators these data show a series of dissipation peaks which grow in magnitude with decreasing temperature. One sample exhibited five distinct peaks with equal spacings of 7.7 mK.",

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AU - Yurke, B.

AU - Busch, P. A.

AU - Arney, S. C.

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Y1 - 1996/4/1

N2 - At very low temperatures the dissipation of a mechanical resonator is normally expected to be featureless and to vary slowly with temperature. Here we report measurements made at low-mK temperatures using a simple single-crystal silicon beam with a smallest dimension of 2.5 μm. Contrary to results obtained on larger resonators these data show a series of dissipation peaks which grow in magnitude with decreasing temperature. One sample exhibited five distinct peaks with equal spacings of 7.7 mK.

AB - At very low temperatures the dissipation of a mechanical resonator is normally expected to be featureless and to vary slowly with temperature. Here we report measurements made at low-mK temperatures using a simple single-crystal silicon beam with a smallest dimension of 2.5 μm. Contrary to results obtained on larger resonators these data show a series of dissipation peaks which grow in magnitude with decreasing temperature. One sample exhibited five distinct peaks with equal spacings of 7.7 mK.

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Low-temperature anomalies in the dissipation of small mechanical resonators

Abstract

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