Interatomic force interaction in an i-AlCuFe quasicrystal |
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| Authors: | P. P. Parshin M. G. Zemlyanov R. A. Brand |
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| Affiliation: | (1) Russian Research Centre Kurchatov Institute, pl. Akademika Kurchatova 1, Moscow, 123182, Russia;(2) Gerhard Mercator University Duisburg, D-47048 Duisburg, Germany |
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| Abstract: | Partial spectra of thermal vibrations of Al, Cu, and Fe atoms in an icosahedral quasicrystal have been obtained by the isotopic-contrast method in inelastic neutron scattering. Joint analysis of these results and the published data on the atomic and electronic structures of the icosahedral i-AlCuFe quasicrystal has been performed. A physical model of the quasicrystal structure is proposed that is in agreement with the existing experimental data and qualitatively describes the peculiarities of interatomic interaction. |
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