Surface acoustic wave velocity and elastic constants of cubic GaN

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Riobóo, Rafael J. Jiménez, Cuscó, Ramon, Prieto, Carlos, Kopittke, Caroline, Novikov, Sergei V. and Artús, Luis (2016) Surface acoustic wave velocity and elastic constants of cubic GaN. Applied Physics Express, 9 (6). 061001. ISSN 1882-0786

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Abstract

We present high-resolution surface Brillouin scattering measurements on cubic GaN layers grown on GaAs substrate. By using a suitable scattering geometry, scattering by surface acoustic waves is recorded for different azimuthal angles, and the surface acoustic wave velocities are determined. A comparison of experimental results with numerical simulations of the azimuthal dependence of the surface wave velocity shows good agreement and allows a consistent set of elastic constants for c-GaN to be determined.

Item Type: Article
RIS ID: https://nottingham-repository.worktribe.com/output/791221
Schools/Departments: University of Nottingham, UK > Faculty of Science > School of Physics and Astronomy
Identification Number: https://doi.org/10.7567/APEX.9.061001
Depositing User: Eprints, Support
Date Deposited: 11 Jul 2016 11:14
Last Modified: 04 May 2020 17:53
URI: https://eprints.nottingham.ac.uk/id/eprint/34798

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