| Issue |
Europhys. Lett.
Volume 53, Number 5, March 2001
|
|
|---|---|---|
| Page(s) | 570 - 576 | |
| Section | General | |
| DOI | https://doi.org/10.1209/epl/i2001-00190-3 | |
| Published online | 01 December 2003 | |
Metastable vs. unstable growth in the subsurface
ordering dynamics of 
(001)
1
Max-Planck-Institut für Metallforschung -
Heisenbergstr. 1, 70569 Stuttgart, Germany
2
University of Illinois at Urbana-Champaign - Urbana,
Illinois 61801, USA
Received:
20
September
2000
Accepted:
18
December
2000
A surface-sensitive X-ray line shape analysis of the ordering
process in (001) has been performed following a
rapid temperature quench from the disordered phase into the
ordered phase. We study the temporal evolution of ordered domains
in the subsurface region. We find distinct and anisotropic
antiphase domain patterns in the unstable and metastable growth
mode. This leads to rather unusual surface-induced coarsening
schemes.
PACS: 05.70.Ln – Nonequilibrium and irreversible thermodynamics / 61.10.Eq – X-ray scattering (including small-angle scattering) / 64.60.My – Metastable phases
© EDP Sciences, 2001
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