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Increased porosity turns desorption to adsorption for gas bubbles near water-SiO₂ interface

Boström, M.; Dou, M.; Thiyam, P.; Parsons, D. F.; Malyi, O. I.; Persson, C.


We consider theoretically the retarded van der Waals interaction of a small gas bubble in water with a porous SiO₂ surface. We predict a possible transition from repulsion to attraction as the surface is made more porous. It highlights that bubbles will interact differently with surface regions with different porosity (i.e., with different optical properties).

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Physical Review B
DOI: 10.1103/PhysRevB.91.075403
Access Rights: Open Access


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