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arXiv 2004-02-13 0 views

Equilibrium structure of decagonal AlNiCo

Naidu, S. · Mihalkovic, M. · Widom, M.

Original · EN

We investigate the high temperature decagonal quasicrystalline phase of Al₇₂Ni₂₀Co₈ using a quasilattice gas Monte-Carlo simulation. To avoid biasing towards a specific model we use an over-dense site list with a large fraction of free sites, permitting the simulation to explore an extended region of perpendicular space. Representing the atomic surface occupancy in a basis of harmonic functions directly reveals the 5-fold symmetric component of our data. Occupancy is examined in physical and perpendicular space.

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