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Clearer look at how iron reacts in the environment
Date:9/7/2012

and beamlines."

Beamline 11-ID-D provides an up-close view of individual electron hops by allowing scientists to look at action on multiple time scales so that they can see all of the processes that underlie electron or energy transfer. Scientists can look at action as fast as 80 picoseconds, or 80 trillionths of a second, and the planned APS upgrade will enable even faster viewing. That will allow scientists to see the final step in the process, the electron being injected from the photosensitized molecule to the iron or another semiconductor. That process takes up to several picoseconds.

At the same time, beamline 11-ID-B, the U.S.'s first and only dedicated pair-distribution-function beamline, provided scientists with more of a global view of the resulting atomic structure, which is out of reach for other techniques. Taken together, all of these techniques provided the most complete picture ever of electron hopping and the transformation of iron (III) to iron (II).


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Contact: Tona Kunz
tkunz@anl.gov
630-252-5560
DOE/Argonne National Laboratory
Source:Eurekalert

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