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The water-like film on water

The water-like film on water
The water-like film on water
We have used wavelength scanning close to the Brewster angle of water to determine the relative index of refraction between the surface film and the bulk liquid. The result is clearly that contrary to expectation, the surface film has a higher index than the bulk. This runs counter to molecular dynamics calculations which propose a tapering off of density, and by implication of refractive index. The finding may be more in line with recent suggestions that clusters of hydronium ions may dominate the structure close to the surface.
air water interface, ellipsometry, refractive index
1610-1634
1184-1186
Greef, Robert
91063544-ed89-4738-b5f4-28a984bf5866
Frey, J.G.
ba60c559-c4af-44f1-87e6-ce69819bf23f
Greef, Robert
91063544-ed89-4738-b5f4-28a984bf5866
Frey, J.G.
ba60c559-c4af-44f1-87e6-ce69819bf23f

Greef, Robert and Frey, J.G. (2008) The water-like film on water. Physica Status Solidi (c), 5 (5), 1184-1186. (doi:10.1002/pssc.200777820).

Record type: Article

Abstract

We have used wavelength scanning close to the Brewster angle of water to determine the relative index of refraction between the surface film and the bulk liquid. The result is clearly that contrary to expectation, the surface film has a higher index than the bulk. This runs counter to molecular dynamics calculations which propose a tapering off of density, and by implication of refractive index. The finding may be more in line with recent suggestions that clusters of hydronium ions may dominate the structure close to the surface.

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More information

Published date: 7 March 2008
Keywords: air water interface, ellipsometry, refractive index

Identifiers

Local EPrints ID: 64615
URI: http://eprints.soton.ac.uk/id/eprint/64615
ISSN: 1610-1634
PURE UUID: 747f7c65-5d27-488d-aefe-45ce7b440bc0
ORCID for J.G. Frey: ORCID iD orcid.org/0000-0003-0842-4302

Catalogue record

Date deposited: 09 Jan 2009
Last modified: 20 Jul 2019 01:28

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