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https://doi.org/10.1103/PhysRevB.47.16494
Title: | Surface composition of clean and oxygen-covered Au3Cu alloy | Authors: | Poon, H.C. Khanra, B.C. King, T.S. |
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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