This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. The subproject and investigator (PI) may have received primary funding from another NIH source, and thus could be represented in other CRISP entries. The institution listed is for the Center, which is not necessarily the institution for the investigator. During the year, the single crystal XAS setup was further enhanced, and used for several experiments on BL9-3. The instrument consists of a Huber kappa goniometer, mounted on low-profile Thompson rails, which enables it to be easily slid into place for the single crystal XAS experiment and back out of the way for standard XAS or other setups. Modifications to the I0 section to reduce scatter were completed. The crystal alignment system was modified to allow for isolated mounting of the microscope, beam stop, and fiber optic lighting, as well as to provide a protective cover for the microscope. New approaches to sample cooling were pursued, which were crucial to the success of some of the experiments. Scientific results by a general user were published in the Proc. Natl. Acad. Aci. USA.
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