Surface phonon dispersion on Al(100)
- 15 April 1988
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 37 (11) , 6519-6520
- https://doi.org/10.1103/physrevb.37.6519
Abstract
The first experimental measurement of the Rayleigh mode dispersion curve for the Al(100) surface is reported. Excellent agreement is found between the experimental results and the theoretical first-principles calculation performed by Bohnen and Ho [J. Vac. Sci. Technol. A5, 462 (1987)] for the phonon energy at X¯. This is to be contrasted with the large discrepancy reported by Toennies and Wöll [Phys. Rev. B 36, 4475 (1987)] between the experimental and theoretical values at X¯ for the Al(110) surface.Keywords
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