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|Title:||Surface composition of clean and oxygen-covered Au3Cu alloy||Authors:||Poon, H.C.
|Issue Date:||1993||Citation:||Poon, H.C., Khanra, B.C., King, T.S. (1993). Surface composition of clean and oxygen-covered Au3Cu alloy. Physical Review B 47 (24) : 16494-16498. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevB.47.16494||Abstract:||Surface segregation behavior of clean and oxygen-adsorbed Au3Cu systems has been studied theoretically within the tight-binding formalism. It has been found that for the clean Au3Cu system the top layer is Au enriched, while the second layer is Cu enriched. In the presence of a monolayer of oxygen atoms, on the other hand, there is a segregation reversal in the top layer which becomes Cu enriched. The above findings are in total agreement with the very recent experimental impact collision ion-scattering spectroscopic results. © 1993 The American Physical Society.||Source Title:||Physical Review B||URI:||http://scholarbank.nus.edu.sg/handle/10635/98128||ISSN:||01631829||DOI:||10.1103/PhysRevB.47.16494|
|Appears in Collections:||Staff Publications|
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