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Coin Cell Battery Chamber Design for Low-temperature Operando Experiments

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Comb-drive micro-electro-mechanical systems oscillators for low temperature experiments.

M González¹, P Zheng, E Garcell

¹Department of Physics, University of Florida, Gainesville, Florida 32611, USA.

The Review of Scientific Instruments

|March 8, 2013

Summary

This summary is machine-generated.

We developed micro-electro-mechanical systems (MEMS) resonators for low-temperature fluid studies. These devices operate in superfluid helium and demonstrate potential for exploring quantum fluid phenomena.

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Area of Science:

Physics
Materials Science
Engineering

Background:

Micro-electro-mechanical systems (MEMS) are increasingly utilized in specialized environments.
Low-temperature physics requires sensitive instrumentation for probing exotic states of matter.

Purpose of the Study:

To design and characterize MEMS resonators for operation at cryogenic temperatures.
To investigate fluid transport properties within MEMS devices at various pressures and temperatures.
To explore the potential of MEMS resonators for studying quantum fluids.

Main Methods:

Fabrication of MEMS resonators using surface micromachining.
Characterization of mechanical resonators' resonance properties in air across a wide pressure range.
Operation and testing of MEMS devices immersed in superfluid 4He and 3He at millikelvin temperatures.

Main Results:

Successful fabrication and characterization of MEMS resonators with parallel plates and comb-drive actuation.
Demonstrated operation of MEMS resonators from rarefied gas to hydrodynamic regimes at room temperature.
Verified functionality of MEMS resonators in superfluid 4He and both normal and superfluid 3He down to 0.3 mK.

Conclusions:

The developed MEMS resonators are suitable for low-temperature applications.
These devices offer a novel platform for studying transport properties of fluids, including quantum fluids.
MEMS technology shows promise for advancing research in low-temperature physics and quantum phenomena.