Grating formation in step flow heterogeneous growth and wavelength selection 
induced by confinement

Picaud, F.; Ramseyer, C.; Girardet, C.; Brune, H.; Kern, K.

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Grating formation in step flow heterogeneous growth and wavelength selection induced by confinement

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Kern, K.
Department Nanoscale Science (Klaus Kern), Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Picaud, F., Ramseyer, C., Girardet, C., Brune, H., & Kern, K. (2004). Grating formation in step flow heterogeneous growth and wavelength selection induced by confinement. Surface Science, 553(1-3), L68-L74.

Cite as: https://hdl.handle.net/21.11116/0000-000E-FE72-4

Abstract

Based on kinetic Monte Carlo simulations, we show that modulated wires
and island gratings can be formed at vicinal surfaces. The modulation
(grating) wavelength along the steps can be tailored by external
conditions (coverage and temperature) and intrinsic surface properties
(diffusion, terrace width) via a scaling law. Above 220 K a
thermodynamic saturation value for the wavelength occurs, which depends
only on the terrace width. This morphological behavior can be
understood in terms of nucleation arguments applied to heteroepitaxial
growth of Ag on stepped Pt(111) surfaces. (C) 2004 Elsevier B.V. All
rights reserved.