Attenuation of Ultrasonic Surface Waves by Phonon Viscosity and Heat Conduction
- 15 December 1969
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 188 (3), 1308-1311
- https://doi.org/10.1103/physrev.188.1308
Abstract
The attenuation of elastic surface waves propagating on an arbitrarily oriented surface of a dielectric crystal has been calculated. Contributions to the attenuation from heat conduction and viscosity are considered. The result is valid when the sound wavelength is much greater than the thermal-phonon mean free path. Comparison is made with the experimental measurements of Salzmann et al. in quartz, and good agreement is obtained.Keywords
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