Attenuation of 9.4-GHz Acoustical Waves in Helium Films
- 10 June 1974
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 32 (23), 1295-1298
- https://doi.org/10.1103/PhysRevLett.32.1295
Abstract
Using a standard acoustical technique, we present new data concerning the attenuation of 9.4-GHz phonons in thin helium films. The mechanical resonance of the film is observed in the temperature range 1.4 to 2.1 K. A comparison with the bulk case is made.Keywords
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