Torsional oscillator for internal friction data at 100 kHz

David G. Cahill; J. E. Van Cleve

doi:10.1063/1.1140645

Torsional oscillator for internal friction data at 100 kHz

Research output: Contribution to journal › Article › peer-review

Abstract

We describe a method for measuring the internal friction of solids at low temperatures. Our design uses a composite oscillator vibrating in torsion at 100 kHz. The oscillator makes good thermal contact to the cryostat while maintaining a low background loss of Q^-1≃2× 10^-6 at 2 K. The usefulness of the design is demonstrated by data for BaF₂ and a-SiO₂ from 2 to 300 K.

Original language	English (US)
Pages (from-to)	2706-2710
Number of pages	5
Journal	Review of Scientific Instruments
Volume	60
Issue number	8
DOIs	https://doi.org/10.1063/1.1140645
State	Published - 1989
Externally published	Yes

ASJC Scopus subject areas

Instrumentation

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10.1063/1.1140645

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title = "Torsional oscillator for internal friction data at 100 kHz",

abstract = "We describe a method for measuring the internal friction of solids at low temperatures. Our design uses a composite oscillator vibrating in torsion at 100 kHz. The oscillator makes good thermal contact to the cryostat while maintaining a low background loss of Q-1≃2× 10-6 at 2 K. The usefulness of the design is demonstrated by data for BaF2 and a-SiO2 from 2 to 300 K.",

author = "Cahill, {David G.} and {Van Cleve}, {J. E.}",

year = "1989",

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volume = "60",

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publisher = "American Institute of Physics",

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AU - Cahill, David G.

AU - Van Cleve, J. E.

PY - 1989

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N2 - We describe a method for measuring the internal friction of solids at low temperatures. Our design uses a composite oscillator vibrating in torsion at 100 kHz. The oscillator makes good thermal contact to the cryostat while maintaining a low background loss of Q-1≃2× 10-6 at 2 K. The usefulness of the design is demonstrated by data for BaF2 and a-SiO2 from 2 to 300 K.

AB - We describe a method for measuring the internal friction of solids at low temperatures. Our design uses a composite oscillator vibrating in torsion at 100 kHz. The oscillator makes good thermal contact to the cryostat while maintaining a low background loss of Q-1≃2× 10-6 at 2 K. The usefulness of the design is demonstrated by data for BaF2 and a-SiO2 from 2 to 300 K.

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Torsional oscillator for internal friction data at 100 kHz

Abstract

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