Ordering in a fluid inert gas confined by flat surfaces

Donnelly, SE, Birtcher, RC, Allen, CW, Morrison, I ORCID: https://orcid.org/0000-0002-6886-1398, Furuya, K, Song, M, Mitsuishi, K and Dahmen, U 2002, 'Ordering in a fluid inert gas confined by flat surfaces' , Science, 296 (5567) , pp. 507-510.

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Abstract

High-resolution transmission electron microscopy images of room-temperature fluid xenon in small faceted cavities in aluminum reveal the presence of three well-defined layers within the fluid at each facet. Such interfacial layering of simple liquids has been theoretically predicted, but observational evidence has been ambiguous. Molecular dynamics simulations indicate that the density variation induced by the layering will cause xenon, confined to an approximately cubic cavity of volume ~ 8 cubic nanometers, to condense into the body-centered cubic phase, differing from the face-centered cubic phase of both bulk solid xenon and solid xenon confined in somewhat larger (>=20 cubic nanometer) tetradecahedral cavities in face-centered cubic metals. Layering at the liquid-solid interface plays an important role in determining physical properties as diverse as the rheological behavior of two-dimensionally confined liquids and the dynamics of crystal growth.

Item Type:	Article
Themes:	Subjects / Themes > Q Science > QD Chemistry Subjects / Themes > Q Science > QC Physics Subjects outside of the University Themes
Schools:	Schools > School of Computing, Science and Engineering Schools > School of Computing, Science and Engineering > Salford Innovation Research Centre
Journal or Publication Title:	Science
Publisher:	American Association for the Advancement of Science (AAAS)
Refereed:	Yes
ISSN:	00368075
Related URLs:	http://www.sciencemag.org
Depositing User:	H Kenna
Date Deposited:	22 Aug 2007 14:03
Last Modified:	27 Aug 2021 21:59
URI:	http://usir.salford.ac.uk/id/eprint/313

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