Nanotemplate with holes: Ultrathin alumina on Ni3Al(111)
Autor(en): | Schmid, M. Kresse, G. Buchsbaum, A. Napetschnig, E. Gritschneder, S. Reichling, M. Varga, P. |
Stichwörter: | ARRAYS; GROWTH; NUCLEATION; OXIDATION; Physics; Physics, Multidisciplinary; TEMPLATE | Erscheinungsdatum: | 2007 | Herausgeber: | AMER PHYSICAL SOC | Journal: | PHYSICAL REVIEW LETTERS | Volumen: | 99 | Ausgabe: | 19 | Zusammenfassung: | We have determined the structure of the ultrathin (root 67 x root 67)R12.2 degrees aluminum oxide on Ni3Al(111) by a combination of scanning tunneling microscopy and density functional theory. In addition to other local defects, the main structural feature of the unit cell is a 0.4-nm-diameter hole reaching down to the metal substrate. Understanding the structure and metal growth on this oxide allows us to use it as a template for growing highly regular arrays of nanoparticles. |
ISSN: | 00319007 | DOI: | 10.1103/PhysRevLett.99.196104 |
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