Friday, February 16, 2001
4:00 PM
Physics Building, Room 204
Note special time.

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"Nanoscale ordering in soft materials near surfaces and interfaces"

Prof. Pulak Dutta , Northwestern Univ.
[Host: Joseph Poon]
A material is 'soft' if its structure, and thus its properties, can change in response to very weak stimuli; hence the current interest in using soft materials for switching, sensing, etc. One way to induce structures that do not occur otherwise is with the help of a surface or interface. This talk will give some examples of the use of synchrotron radiation to look at how molecules self-organize near surfaces and soft-hard interfaces. Our studies of Langmuir monolayers (including their use as templates for inorganic nucleation), self-assembled films, and normal liquids near interfaces will be described.

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