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
This publication has 9 references indexed in Scilit:
- Velocity Spectrum of Atoms Evaporating from a Liquid He Surface at Low TemperaturesPhysical Review A, 1973
- Onset for Superfluid Flow inFilms on a Variety of SubstratesPhysical Review Letters, 1973
- Phonon and Roton Propagation in He II under PressurePhysical Review Letters, 1973
- Light Scattering from First and Second Sound near theTransition in Liquid HePhysical Review Letters, 1973
- On the existence of the critical cone in Kapitza resistance experimentsJournal of Low Temperature Physics, 1973
- Quartz Microbalance Studies of an Adsorbed Helium FilmPhysical Review Letters, 1972
- Phonon Interference in Thin Helium Films Using Superconducting Tunnel JunctionsPhysical Review Letters, 1972
- Phonon Interference in Thin Films of Liquid HeliumPhysical Review Letters, 1970
- Ultrasonic Attenuation in Liquid Helium at 1 GHzPhysical Review Letters, 1969