Anomalous Damping of a Microelectromechanical Oscillator in Superfluid -B

P Zheng, WG Jiang, CS Barquist, Y Lee, HB Chan - Physical Review Letters, 2016 - APS
The mechanical resonance properties of a microelectromechanical oscillator with a gap of
1.25 μ m was studied in superfluid He 3-B at various pressures. The oscillator was driven in …

Critical Velocity in the Presence of Surface Bound States in Superfluid

P Zheng, WG Jiang, CS Barquist, Y Lee, HB Chan - Physical Review Letters, 2017 - APS
A microelectromechanical oscillator with a gap of 1.25 μ m was immersed in superfluid He 3-
B and cooled below 250 μ K at various pressures. Mechanical resonances of its shear …

Temperature dependence of viscosity in normal fluid below 800 mK determined by a microelectromechanical oscillator

M González, WG Jiang, P Zheng, CS Barquist… - Physical Review B, 2016 - APS
A microelectromechanical system vibrating in its shear mode was used to study the viscosity
of normal liquid He 3 from 20 to 770 mK at 3, 21, and 29 bars. The damping coefficient of the …

Anomalous Resonance Frequency Shift of a Microelectromechanical Oscillator in Superfluid He-B

P Zheng, WG Jiang, CS Barquist, Y Lee… - Journal of Low …, 2017 - Springer
A superfluid^ 3 3 He film with a thickness of 1.25\upmu μ m was studied using a
microelectromechanical oscillator at various pressures of 9.2, 18.2, 25.2, and 28.6 bars. The …

The Effect of Remnant Vortices in He II on Multiple Modesof a Micro-electromechanical Resonator

CS Barquist, WG Jiang, P Zheng, Y Lee… - Journal of Low …, 2019 - Springer
A micro-electromechanical plate resonator suspended 2\upmu μ m above a substrate was
immersed in^ 4 4 He at 14 mK at saturated vapor pressure. At these temperatures, four …

Analysis of the “Push–pull” Capacitance Bridge Circuit for Comb-Drive Micro-electro-mechanical Oscillators

P Zheng, WG Jiang, CS Barquist, Y Lee… - Journal of Low …, 2016 - Springer
We have developed an improved actuation/detection scheme for a comb-drive micro-electro-
mechanical oscillator as a probe to study quantum fluids. This symmetric scheme has many …

Development of a Spatially Resolved He Quasi-Particle Detector

CS Barquist, P Zheng, WG Jiang, Y Lee… - Journal of Low …, 2016 - Springer
Andreev surface bound sates are known to exist on the boundaries of superfluid^ 3 3 He-B.
However, the detailed nature of their interaction with bulk quasi-particles is not well known …

Design, Development, Fabrication, and Measurement of Micro-Electromechanical Oscillators for the Study of Quantum Turbulence and Other Superfluid Properties

CS Barquist - 2020 - search.proquest.com
Design, Development, Fabrication, and Measurement of Micro-Electromechanical
Oscillators for the Study of Quantum Turbulence and Other Superfluid Properties Abstract In …