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- Ullom, J. N., et al.
(författare)
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X-ray absorption spectroscopy of iron tris (bipyridine) using superconducting microcalorimeters
- 2014
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Ingår i: 2014 Conference on Lasers and Electro-Optics (CLEO) : Laser Science to Photonic Applications - Laser Science to Photonic Applications. - 9781557529992 ; , s. 1-2
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Konferensbidrag (refereegranskat)abstract
- We are developing a tabletop apparatus for time-resolved X-ray absorption spectroscopy. Short X-ray pulses are generated by focusing a pulsed 800 nm laser onto a water jet target. X-rays that pass through a sample of interest are detected using energy-resolving superconducting microcalorimeter detectors. We have successfully observed EXAFS features from iron tris(bipyridine) in a water solution. We discuss details of the microcalorimeter spectra and describe the steps that remain before the intrinsic sub-picosecond sensitivity of the apparatus can be realized.
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