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Study of superfluid He under nanoscale confinement. A new approach to the investigation of superfluid He films
Lev Levitin, Robert Bennett, Andrew Casey +7
We review recent experiments in which superfluid He has been studied under highly controlled confinement in nanofluidic sample chambers. We discuss the experimental challenges…
Dissipation signatures of the normal and superfluid phases in torsion pendulum experiments with 3He in aerogel
N. Zhelev, R. G. Bennett, E. N. Smith +3
We present data for energy dissipation factor (Q^{-1}) over a broad temperature range at various pressures of a torsion pendulum setup used to study 3He confined in a 98% open sili…
Simultaneous Electrical and Optical Readout of Graphene-Coated High Q Silicon Nitride Resonators
V. P. Adiga, R. De Alba, I. R. Storch +8
We have fabricated and tested mechanical resonators consisting of a single-atomic-layer of graphene deposited on suspended silicon nitride membranes. With the addition of the graph…
Graphene Metallization of High-Stress Silicon Nitride Resonators for Electrical Integration
Sunwoo Lee, Vivekananda P. Adiga, Robert A. Barton +7
High stress stoichiometric silicon nitride resonators, whose quality factors exceed one million, have shown promise for applications in sensing and signal processing. Yet, electric…