Electronic Structure of Self-Organized Lateral Superlattices on a Metal Surface: O/Cu(110)
- 16 February 1998
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 80 (7), 1497-1500
- https://doi.org/10.1103/physrevlett.80.1497
Abstract
Self-organized formation of quasi-one-dimensional surface oxide domains on Cu(110) leads to a one-dimensional confinement of a Shockley surface state. High-resolution angle-resolved photoemission spectra show the appearance of singularities in the density of states expected for the critical points of quasi-one-dimensional subbands. At higher oxygen coverages disorder decouples the individual domains (Anderson localization) and a pronounced quantum size shift of the resulting quantum well states is observed.Keywords
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