Observation of surface layering in a nonmetallic liquid

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dc.creatorMo, Haiding
dc.creatorEvmenenko, Guennadi
dc.creatorKewalramani, Sumit
dc.creatorKim, Kyungil
dc.creatorEhrlich, Steven N.
dc.creatorDutta, Pulak
dc.date2005-10-26
dc.date2006-02-17
dc.date.accessioned2026-07-07T06:45:33Z
dc.date.available2026-07-07T06:45:33Z
dc.descriptionOscillatory density profiles (layers) have previously been observed at the free surfaces of liquid metals, but not in other isotropic liquids. We have used x-ray reflectivity to study a molecular liquid, tetrakis(2-ethylhexoxy)silane. When cooled to T/Tc~0.25 (well above the freezing point for this liquid), density oscillations appear at the surface. Lateral order within the layers is liquid-like. Our results confirm theoretical predictions that a surface-layered state will appear even in dielectric liquids at sufficiently low temperatures, if not preempted by freezing.
dc.descriptionaccepted for publication in Phys. Rev. Lett. 15 pages 4 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0510712
dc.identifierhttp://arxiv.org/abs/cond-mat/0510712
dc.identifierPhys. Rev. Lett. 96, 096107 (2006)
dc.identifierdoi:10.1103/PhysRevLett.96.096107
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/103073
dc.subjectSoft Condensed Matter
dc.titleObservation of surface layering in a nonmetallic liquid
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