Scanning-tunneling-microscopy observation of adsorbate-induced two-dimensional step faceting on the S/Cu(11 1 1) surface
- 18 September 1989
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 63 (12), 1265-1268
- https://doi.org/10.1103/physrevlett.63.1265
Abstract
Two superstructures of adsorbed sulfur coexisting on the stepped Cu(11 1 1) surface are identified by scanning tunneling microscopy. A p(2×2) and a c(4×2) structures are atomically resolved and their interaction with the steps investigated. The direction taken by a step edge is found to be strongly correlated with the sulfur arrangement on the adjacent terraces. The origin of this two-dimensional faceting phenomenon is discussed.Keywords
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