Abstract
Scanning tunneling microscopy (STM) has been used to observe naturally occurring nanostructures formed on the (110) and (100) faces of single-crystal Cu samples. On the (110) surface, a combination of chemical and thermal treatments result in the formation of a periodic array of Cu - O stripes separated by areas of the clean surface. Deposition of submonolayer coverages of N onto both the (100) and (110) faces of Cu results in nanometer-scale islands. On the (100) surface, periodic arrays of N islands are formed. The feasibility of using these islands to create new nanostructures is demonstrated. On the (110) surface, the ability to combine O- and N-induced nanostructures to form an `atomic-scale tartan' is demonstrated.
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