Abstract
We present here results of X-ray reflectivity and diffuse scattering study of three Langmuir–Blodgett films, all having nine monolayers. These systems are the cadmium arachidate film grown using the conventional method, the arachidic acid film with trapped CdS layers at the interfaces formed by exposing the cadmium arachidate film to hydrogen sulphide and ferric stearate film grown from a monolayer of the pre-formed salt on water. Self-consistent analysis of all the scattering data measured, viz., in specular, in transverse and in longitudinal directions, for each film shows that the interfaces are conformal in nature and the logarithmic in-plane correlation, characteristic of capillary waves on liquid surfaces, exists in all the three films.
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