NSF Young Investigator

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9458060 Ade X-ray microscopy studies with chemical and orientational sensitivity will be performed on a range of polymer samples important to industry. These include, but are not limited to, methylene-diphenyl-diisocyanate and tuluene-diisocyanate based polyurethane foams (Dow Chemical), various fibers such as Kevlar and Nylon (DuPont), as well as polyimide thin films (DuPont). We propose improvements in spatial resolution towards 10 nm and the addition of Auger, secondary yield and fluorescent yield detection modes of absorption spectromicroscopy. %%% ***