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Journal Articles Philosophical Magazine Year : 2005

Chemical decoration in cubic approximant and quasicrystal in the Al-Cu-Fe system

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Abstract

The local order in the Al--Cu--Fe quasicrystal and in two of its approximants has been investigated by extended X-ray absorption fine structure (EXAFS) studies at the Cu and Fe Kedges. The chemical occupation of the crystallographic sites in the 1/1 cubic α--Al55Si7Cu25.5Fe12.5 phase is revisited. From these results, a model for the chemical short--range order in the Al62.5Cu25.5Fe 12.5 quasicrystal is proposed.
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Dates and versions

hal-00513596 , version 1 (01-09-2010)

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Virginie Simonet, Francoise Hippert, Richard Brand, Yvonne Calvayrac, Juan Rodriguez-Carvajal, et al.. Chemical decoration in cubic approximant and quasicrystal in the Al-Cu-Fe system. Philosophical Magazine, 2005, 86 (03-05), pp.573-579. ⟨10.1080/14786430500278940⟩. ⟨hal-00513596⟩
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