Europhysics Letters (EPL) · 1988 · 44 citations · 6 references
Natural SciencesChemistryMaterials ScienceInterface SciencePhysical ChemistryPolymer ChemistryAdsorption At InterfacesNeutron ScatteringPolymer InterfacesPolymer Physical ChemistryPolymer PhysicsPolymer SurfacesAdsorption At Polymer InterfacesNeutron ReflectionNeutron ReflectometryPolymer AdsorptionPolymer Concentration DependencePolymer Surface ChemistryPolymer Thin Film InterfacesReflectivity
We have measured neutron reflectivities at the liquid-air interface of polydimethyl-siloxane solutions, and we have observed remarkable properties. We report, for the first time to our knowledge, a dramatic effect of the isotopic composition on the reflectivity curve of such interfaces. This is discussed in terms of the propagation equation. The results obtained with deuterated solvent and nondeuterated polymers agree with the kinematic approximation. These data show the existence of a polymer concentration profile extending far away from the surface and support recent scaling predictions.
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Conformations of Polymers Attached to an Interface
P. G. de Gennes · Macromolecules · 1980 · 2.3K citations
Surface Roughness of Water Measured by X-Ray Reflectivity
Alan Braslau, Moshe Deutsch, P. S. Pershan et al. · Physical Review Letters · 1985 · 422 citations · Full text