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Effect of surface roughness and electrostatic surface potentials on forces between dissimilar surfaces in aqueous solution

Valtiner, Markus, Kristiansen, Kai, Greene, George W. and Israelachvili, Jacob N. 2011, Effect of surface roughness and electrostatic surface potentials on forces between dissimilar surfaces in aqueous solution, Advanced materials, vol. 23, no. 20, pp. 2294-2299, doi: 10.1002/adma.201003709.

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Title Effect of surface roughness and electrostatic surface potentials on forces between dissimilar surfaces in aqueous solution
Author(s) Valtiner, Markus
Kristiansen, Kai
Greene, George W.ORCID iD for Greene, George W. orcid.org/0000-0003-2250-8334
Israelachvili, Jacob N.
Journal name Advanced materials
Volume number 23
Issue number 20
Start page 2294
End page 2299
Total pages 6
Publisher Wiley - V C H Verlag GmbH & Co. KGaA
Place of publication Weinheim, Germany
Publication date 2011-05-24
ISSN 0935-9648
1521-4095
Keyword(s) electrochemical SFA
interaction forces
surface roughness
Summary The first surface force measurements under electrochemical potential control between a metal and a ceramic surface across a liquid medium (water) are reported. Our experiments also investigate and reveal how increasing levels of surface roughness and dissimilarity between the potentials of the interacting surfaces influence the strength and range of electric double layer, van der Waals, hydration, and steric forces and how this contributes to deviations from DLVO theory at small distances within aqueous solution.
Language eng
DOI 10.1002/adma.201003709
Field of Research 030603 Colloid and Surface Chemistry
Socio Economic Objective 970102 Expanding Knowledge in the Physical Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2011, WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Persistent URL http://hdl.handle.net/10536/DRO/DU:30048052

Document type: Journal Article
Collection: Institute for Frontier Materials
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