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Local Structural Variations in Al72Ni20Co8 Decagonal Quasicrystals
Published online by Cambridge University Press: 01 February 2011
Abstract
We investigate local structural variations in Al72Ni20Co8 quasicrystals using first principles density-functional total-energy calculations. We find that local chemical fluctuation can cause large structural variations on the central rings of the 2-nm clusters. Such structure variations may result in ambiguities at the central rings in high-resolution electron microscopy images of Al72Ni20Co8 decagonal quasicrystals.
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- Copyright © Materials Research Society 2004