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Dynamics of water, hydrated-ions and charged polymers in highly-confined films, and their role in friction modification

Abstract:

Recent studies have revealed that, in contrast to non-associating liquids such as oils or organic solvents, salt-free water retains a viscosity close to its bulk value even when confined to films thinner than some 3 nm, indeed down to only one or two monolayers thick. For the case of high concentration aqueous salt solution compressed down to subnanometer films between charged surfaces, the trapped hydrated ions serve to act as molecular ball-bearings, sustaining a large load while remaining ...

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Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Role:
Author
Host title:
DYNAMICS IN SMALL CONFINING SYSTEMS-2003
Volume:
790
Pages:
325-332
Publication date:
2004-01-01
ISSN:
0272-9172
ISBN:
1558997288
Pubs id:
pubs:58809
UUID:
uuid:0a97388a-160b-42b8-a8e0-a54fc6100fc0
Local pid:
pubs:58809
Source identifiers:
58809
Deposit date:
2013-11-16

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