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Article Dans Une Revue Physical Review Letters Année : 2014

Quantitative Adsorbate Structure Determination for Quasicrystals Using X-Ray Standing Waves

Résumé

The quantitative structure determination of adsorbed species on quasicrystal surfaces has so far appeared to present insurmountable problems. The normal incidence standing x-ray wave field technique offers a simple solution, without extensive data sets or large computations. Its application to quasicrystals raises several conceptual difficulties that are related to the phase problem in x-ray diffraction. We demonstrate their solution for the case of Si atoms adsorbed on the decagonal Co-rich modification of the Al-Co-Ni quasicrystal to determine the local structure, comprising 6-atom clusters in particular hollow sites.
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Dates et versions

hal-01288110 , version 1 (15-12-2023)

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Citer

R. D. Diehl, H. I. Li, S. Y. Su, A. Mayer, N. A. Stanisha, et al.. Quantitative Adsorbate Structure Determination for Quasicrystals Using X-Ray Standing Waves. Physical Review Letters, 2014, 113 (10), pp.106101. ⟨10.1103/PhysRevLett.113.106101⟩. ⟨hal-01288110⟩
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