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X-ray spectroscopy

Enlightened state

Determining the sequence of events following photon absorption by a molecule can be a surprisingly challenging task. An innovative use of time-resolved X-ray spectroscopy has revealed an important insight into the ultrafast excited-state dynamics of a well-known inorganic chromophore.

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Figure 1: A schematic potential-energy surface diagram of the electronic structure of a transition-metal complex, such as [Fe(bpy)3]2+.

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Correspondence to James K. McCusker.

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McCusker, J. Enlightened state. Nature Phys 10, 476–477 (2014). https://doi.org/10.1038/nphys3001

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