The present work is focused on the overview of atomic models of εn decagonal quasi crystalline approximants in the Al-Pd-Co system. Atomic structural models of the structural variants ε6, ε16, ε22, ε28 and ε34 were created using ab-initio calculations and/or Monte Carlo simulation. Atomic models were calculated based on the experimental results obtained by X-ray diffraction and scanning transmission electron microscopy. Good agreement was obtained between calculated and experimentally observed atomic structures of the εn phase. The calculated data for the structural variant ε28 are available in the appendix, as CIF file in text format.
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