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Surface Roughness of Water Measured by X-Ray Reflectivity

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Braslau, A., Deutsch, M., Pershan, P. S., Weiss, A. H., Als-Nielsen, J., Bohr, J.·1985·Physical Review Letters

Abstract

The roughness of the liquid-vapor interface for pure water was measured by a technique of x-ray reflectivity. With synchrotron radiation ($\ensuremath{\lambda}\ensuremath{\sim}1.5$ \AA{}A), the angular dependence of the x-ray reflectivity was measured from grazing incidence (\ensuremath{\sim}0.0021 rad), where the reflectivity was greater than 0.96, to an incident angle of \ensuremath{\sim}0.05 rad, where the reflectivity was \ensuremath{\sim}7\ifmmode\times\else\texttimes\fi{}${10}^{\ensuremath{-}8}$. A fit to the data by a theory with only one adjustable parameter obtains 3.2 \AA{}A for the root-mean-square roughness of the water surface.

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Metadata

Authors
Braslau, A., Deutsch, M., Pershan, P. S., Weiss, A. H., Als-Nielsen, J., & Bohr, J.
Venue
Physical Review Letters
Published
1985-01-14
Volume
54
Issue
2
Pages
114-117
ISSN
0031-9007 (ISSN-L)
OpenAlex
W1997240962
Cited by
420
References
0
FWCI
17.84
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Surface Roughness of Water Measured by X-Ray Reflectivity. https://app.cochat.ai/papers/10.1103/physrevlett.54.114
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Braslau, A., Deutsch, M., Pershan, P. S., Weiss, A. H., Als-Nielsen, J., & Bohr, J. (1985). Surface Roughness of Water Measured by X-Ray Reflectivity. Physical Review Letters. https://doi.org/10.1103/physrevlett.54.114

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