Attenuation and velocity of 56 GHz longitudinal phonons in gallium arsenide from 50 to 300 K
- 27 September 1994
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine Part B
- Vol. 70 (3) , 687-698
- https://doi.org/10.1080/01418639408240242
Abstract
We have used a novel method to measure the attenuation and velocity of 56 GHz longitudinal phonons in GaAs over the temperature range from 50 to 300 K. The sample was a molecular-beam-epitaxy-grown layer separated from the substrate by a GaAs/AlAs multilayer structure that acted as a resonant reflector for the phonons. We discuss the results in terms of theories of the phonon-phonon interaction.Keywords
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