PACS. 68.00 -Surfaces and interfaces; thin films and whiskers.PACS. 68.30 -Dynamics of solid surfaces and interface vibrations.Abstract. -For the Au(ll0)-reconstructed surface we present a comparison of surface phon02modes measured with inelastic He-scattering and calculated from first principles. For the r point use of bulk force constants does not explain the observed vibrational modes, while the microscopic first principles results give good agreement with the experiment. In contrast to recent results obtained with the semiempirical <
PACS. 68.00 -Surfaces and interfaces; thin films and whiskers.PACS. 68.30 -Dynamics of solid surfaces and interface vibrations.Abstract. -For the Au(ll0)-reconstructed surface we present a comparison of surface phon02modes measured with inelastic He-scattering and calculated from first principles. For the r point use of bulk force constants does not explain the observed vibrational modes, while the microscopic first principles results give good agreement with the experiment. In contrast to recent results obtained with the semiempirical <
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