Journal
JOURNAL OF PHYSICS-CONDENSED MATTER
Volume 15, Issue 47, Pages S3281-S3310Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0953-8984/15/47/006
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Vicinal noble metal surfaces with regular arrays of steps and terraces are very convenient model systems to test the electronic properties of lateral nanostructures. Using angle-resolved photoemission with synchrotron radiation we thoroughly characterize electronic states and wavefunctions in a variety of vicinal Cu(111) and Au(111) surfaces. By tuning the terrace width, we can observe the fundamental transition from arrays of non-interacting nano-objects (terraces), where electron states are confined, to lateral coupling between terraces, which leads to superlattice states.
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