ITEM METADATA RECORD
Title: WETTING AND ADSORPTION AT SUBSTRATES AND GRAIN BOUNDARIES
Authors: Indekeu, Joseph # ×
Issue Date: 1991
Publisher: Royal Swedish Academy of Sciences
Series Title: Physica Scripta T vol:T35 pages:31-33
Abstract: Wetting near grain boundaries is a fairly new topic in comparison with wetting at substrates (or walls). A Landau theory is reviewed that describes the wetting and interfacial unbinding transitions near grain boundaries (or defect planes). The results are compared with those for wetting at substrates. Restricting attention to short-range substrate-adsorbate forces, critical-point wetting (as conjectured by Cahn) applies for substrates, but not for grain boundaries, unless the grain boundary remains ordered at the bulk critical point. It is argued that, quite generally, surface order at the bulk critical point implies critical-point wetting. In this article I review some key results of our studies of adsorption and wetting near grain boundaries [1, 2]. At the same time I present new arguments and conjectures, which clarify and update the framework of understanding that is emerging.
ISSN: 0281-1847
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Solid State Physics and Magnetism Section
× corresponding author
# (joint) last author

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