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The (100) surface of the Al13Co4 quasicrystalline approximant

Abstract : The structure of the (100) surface of the orthorhombic Al13Co4 quasicrystalline approximant is described based on a combined scanning tunneling microscopy (STM), low-energy electron diffraction (LEED), and density functional theory (DFT) study. We discuss the interplay between the surface structure and the cluster substructure of this approximant as well as possible off-stoichiometry effects that could explain the discrepancies found in the literature on possible surface models.
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Submitted on : Monday, October 20, 2014 - 10:41:43 AM
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Vincent Fournée, Émilie Gaudry, Marie-Cécile De Weerd, Renee D. Diehl, Julian Ledieu. The (100) surface of the Al13Co4 quasicrystalline approximant. MRS Proceedings, 2013, 1517, 8 p. ⟨10.1557/opl.2012.1585⟩. ⟨hal-01075762⟩



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