Growth of dome-shaped carbon nanoislands on Ir(111): the intermediate between carbidic clusters and quasi-free-standing graphene

By combining high-resolution photoelectron spectroscopy and ab initio calculations, we show that carbon nanoislands formed during the growth of a long-range ordered graphene layer on Ir(111) assume a peculiar domelike shape. The understanding of the unusual growth mechanism of these C clusters, whic...

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Bibliographic Details
Published in:Physical review letters 2009-10, Vol.103 (16), p.166101-166101, Article 166101
Main Authors: Lacovig, Paolo, Pozzo, Monica, Alfè, Dario, Vilmercati, Paolo, Baraldi, Alessandro, Lizzit, Silvano
Format: Article
Language:English
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Summary:By combining high-resolution photoelectron spectroscopy and ab initio calculations, we show that carbon nanoislands formed during the growth of a long-range ordered graphene layer on Ir(111) assume a peculiar domelike shape. The understanding of the unusual growth mechanism of these C clusters, which represent an intermediate phase between the strongly coupled carbidic carbon and a quasi-free-standing graphene layer, can provide information for a rational design of graphenelike systems at the nanoscale.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.103.166101