The present invention relates to a coating comprising at least one Al-Cr-Fe-O layer exhibiting hexagonal ±-phase polycrystalline structure and comprising droplets, wherein the Al-Cr-Fe-O layer comprises Al-rich droplets and Cr-rich droplets, and the Al-rich droplets comprise mainly and mostly Al and the Cr-rich droplets comprise mainly and mostly Cr and the Al-rich droplets have a flat-shape, while the Cr-rich droplets have a spherical shape, and wherein the hexagonal ±-phase polycrystalline structure exhibits at least one V-shaped hexagonal crystallite which is grown on a Cr-rich droplet exhibiting spherical shape.
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