| Issue |
Europhys. Lett.
Volume 58, Number 5, June 2002
|
|
|---|---|---|
| Page(s) | 730 - 736 | |
| Section | Condensed matter: structure, mechanical and thermal properties | |
| DOI | https://doi.org/10.1209/epl/i2002-00410-4 | |
| Published online | 01 May 2002 | |
Two-dimensional long-range–ordered growth of uniform cobalt nanostructures on a Au(111) vicinal template
1
Groupe de Physique des Solides, Universités Paris 7
et 6, CNRS, UMR 75-88 2 place Jussieu, 75251 Paris Cedex,
France
2
Institut für Experimentalphysik,
Johannes-Kepler-Universität Linz A-4040 Linz, Austria
Corresponding author: rousset@gps.jussieu.fr
Received:
8
October
2001
Accepted:
6
March
2002
A novel approach based on strain-relief vicinal patterned substrates is demonstrated for two-dimensional (2D) self-ordered growth. Long-range–ordered cobalt nanodots growth is achieved using a Au(788) vicinal surface which is spontaneously patterned in two dimensions at a nanometer scale with a macroscopic coherence length. Performing the cobalt growth on a substrate cooled down to 130 K allows a high degree of nanostructure uniformity. The atomic processes responsible for such a behavior are discussed. Such a high quality of both long-range– and local–ordered cobalt growth opens up the possibility of making measurements of physical properties of such nanostructures by macroscopic integration techniques.
PACS: 68.35.Bs – Structure of clean surfaces (reconstruction) / 68.37.Ef – Scanning tunneling microscopy (including chemistry induced with STM)
© EDP Sciences, 2002
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