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The cleanliness and atomic structure of a zinc oxide single crystal is of major importance to the formation of copper clusters. We have used synchrotron radiation induced photoelectron spectroscopy to study the structure of copper deposited at room temperature in ultrahigh vacuum onto a ZnO(112¯0) single crystal, and the effect of subsequent annealing to 400°C. Further, sulphur interacts with copper...
The average separation of two-dimensional islands in Cu(100) submonolayer homoepitaxy as a function of the deposition flux at 213 K has been studied using spot profile analysis low-energy electron diffraction. As the flux decreases, a large change in the apparent critical island size, from one to a value between seven and 12 atoms, is obtained even though the temperature is held constant. This is...
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