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X-Ray Measurements of Noncapillary Spatial Fluctuations from a Liquid Surface

Fukuto, M. and Heilmann, R. K. and Pershan, P. S. and Griffiths, J. A. and Yu, S. M. and Tirrell, D. A. (1998) X-Ray Measurements of Noncapillary Spatial Fluctuations from a Liquid Surface. Physical Review Letters, 81 (16). pp. 3455-3458. ISSN 0031-9007. https://resolver.caltech.edu/CaltechAUTHORS:FUKprl1998

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Abstract

Off-specular diffuse x-ray scattering measurements on both pure water and a homogeneous Langmuir monolayer of poly- γ-benzyl- L-glutamate (PBLG) on water establish the validity of a proposed sum rule for scattering from capillary fluctuations on liquid surfaces. Excess scattering above the predicted capillary contribution is observed when the PBLG monolayer is compressed beyond its elastic limit. This is interpreted in terms of a second-layer inhomogeneity with a surface correlation length of ∼1000Å. Excess off-specular scattering can be used to probe interface correlation lengths from 100 Å to 1μm.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1103/PhysRevLett.81.3455DOIArticle
http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.81.3455PublisherArticle
ORCID:
AuthorORCID
Tirrell, D. A.0000-0003-3175-4596
Additional Information:© 1998 American Physical Society. (Received 2 March 1998) The Harvard contribution to this work was supported by Grants No. NSF-DMR-95-23440 and No. NSF-DMR-94-00396. Work at the University of Massachusetts was supported by Grant No. NSF-DMR-95-10031. Beamline X22B at NSLS, Brookhaven National Laboratory is supported by No. DE-AC02-76CH00016.
Funders:
Funding AgencyGrant Number
NSFDMR-95-23440
NSFDMR-94-00396
NSFDMR-95-10031
Department of Energy (DOE)DE-AC02-76CH00016
Issue or Number:16
Record Number:CaltechAUTHORS:FUKprl1998
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:FUKprl1998
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:53393
Collection:CaltechAUTHORS
Deposited By: Anne Hormann
Deposited On:06 Feb 2015 04:22
Last Modified:03 Oct 2019 07:49

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