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The oxidation of a Zn-deposited Cu(111) surface was studied by XPS and STM. When oxidizing the Zn/Cu(111) surface at high temperatures as 600-673 K, hexagonal ZnO islands rotated by 30 o with a unit vector of 4.8 Å were formed over the Cu(111) surface. As precursor species for the formation of the ZnO species on Cu(111), alternating islands of a Cu-Zn surface alloy and Cu 2 O were...