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|Title:||Formation of ordered two-dimensional nanostructures of Cu on the Si(1 1 1)-(7 × 7) surface|
|Authors:||Zhang, Y.P. |
Scanning tunneling microscopy
|Source:||Zhang, Y.P., Yang, L., Lai, Y.H., Xu, G.Q., Wang, X.S. (2003-06-01). Formation of ordered two-dimensional nanostructures of Cu on the Si(1 1 1)-(7 × 7) surface. Surface Science 531 (3) : L378-L382. ScholarBank@NUS Repository. https://doi.org/10.1016/S0039-6028(03)00545-4|
|Abstract:||The binding and interaction of Cu on Si(1 1 1)-(7×7) at room temperature have been studied using scanning tunneling microscopy. Self-organized growth of ordered Cu nanostructures was observed. At low coverage, the two-dimensional Cu nanostructures are predominantly assembled at the faulted halves of the (7×7) unit cells. High coverage leads to Cu-binding on the unfauled halves. Our results also show that the two-dimensional nanostructure consists of six Cu-atoms with three on the center adatoms and the others on the rest atoms within one half of a unit cell. The Cu nanostructure formed may have potential applications in the fabrication of nanoscale devices and chemical modification of semiconductor surfaces. © 2003 Elsevier Science B.V. All rights reserved.|
|Source Title:||Surface Science|
|Appears in Collections:||Staff Publications|
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