[Modélisation du démouillage de films ultra-minces]
Nous discutons quelques modèles pour la dynamique du démouillage de films solides ultra-minces. Nous discutons les similarités et les différences entre systèmes facettés et non facettés. Le facettage du bourrelet de démouillage mène à des corrections pour la vitesse de démouillage des fronts plans et des trous axisymmétriques. Lʼanisotropie influence aussi fortement lʼinstabilité morphologique des fronts de démouillage. Le facettage mène, par ailleurs, à de nouveaux regimes de démouillage, comme le régime couche par couche ou le démouillage des monocouches.
We review some models for the dynamics of dewetting of ultra-thin solid films. We discuss the similarities and the differences between faceted and non-faceted systems. The faceting of the dewetting rim leads to corrections in the velocity of dewetting fronts both in flat and axisymmetric geometries. The faceting of the edge of the dewetting rim leads to a strong anisotropy of the dewetting instability. Faceting also induces novel dewetting regimes such as layer-by-layer dewetting, and monolayer dewetting.
Mot clés : Films minces, Difusion, Mouillage
@article{CRPHYS_2013__14_7_553_0,
author = {Anna Chame and Olivier Pierre-Louis},
title = {Modeling dewetting of ultra-thin solid films},
journal = {Comptes Rendus. Physique},
pages = {553--563},
publisher = {Elsevier},
volume = {14},
number = {7},
year = {2013},
doi = {10.1016/j.crhy.2013.06.004},
language = {en},
}
Anna Chame; Olivier Pierre-Louis. Modeling dewetting of ultra-thin solid films. Comptes Rendus. Physique, Volume 14 (2013) no. 7, pp. 553-563. doi : 10.1016/j.crhy.2013.06.004. https://comptes-rendus.academie-sciences.fr/physique/articles/10.1016/j.crhy.2013.06.004/
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