Journal of Low Temperature Physics

, Volume 110, Issue 1–2, pp 603–608 | Cite as

Capacitive Generation and Detection of Third Sound Resonances in Saturated Superfluid 4He Films

  • A.M.R. Schechter
  • R.W. Simmonds
  • J.C. Davis


We report on the operation of a third sound resonator for use with saturated superfluid helium films. Measurements of superfluid 4 He third sound velocities as a function of film thickness are described for films ranging in thickness from 26 nm to 85 nm. The film resides on the gold-covered surface of a 38 mm diameter copper disk, which has been machined with a diamond-tipped cutting tool, and has an rms roughness of about 10 nm.


Copper Helium Film Thickness Magnetic Material Sound Velocity 
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Copyright information

© Plenum Publishing Corporation 1998

Authors and Affiliations

  • A.M.R. Schechter
    • 1
  • R.W. Simmonds
    • 1
  • J.C. Davis
    • 1
  1. 1.Department of PhysicsUniversity of CaliforniaBerkeleyU.S.A.

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