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Monte Carlo simulations with adapted generalized Lennard-Jones potentials, already used to investigate the room temperature superstructures of Pb/Cu(001), enable us to derive the superstructures of low temperature (T=160 K) deposited Pb on Cu(001). Two stable structures are found to agree with recent observations and are compared to the structures (61x61)Rtan -1 (5/6) and (5x5)Rtan ...
Oxygen adsorbed on Cu(100) induces results in phase coalesced nano-sized c(2x2)-O domains with high density of anti-phase domain boundaries when the coverage is lower than ca. 0.3ML. When the coverage exceeds 0.3ML, however, large c(2x2)-O domains are formed among the nano-sized c(2x2)-O domains, that is, two nano-sized c(2x2)-O domains are coalesced into one large c(2x2)-O domain by adsorbing oxygen...
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