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Studies transitions to a chiral phase in a Langmuir monolayer. Isotherm data; X-ray diffraction data from a C[sub 20] acid monolayer; Theoretical treatment of liquid crystal tilt transitions.

Reports on the use of specular x-ray reflectivity to probe the structures of self-assembled monolayers and multilayers deposited using a three-step siloxane self-assembly technique that is repeated to form periodic multilayers. Increase in the film thickness as a function of the number of trilayers; Bragg peaks corresponding to the inter-trilayer spacing.