7 January 2004 Ultrafast tabletop x-ray sources and their application to XAFS measurements of transition metal coordination complexes
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Abstract
We report on the first measurements of a XANES spectrum of solvated Fe(CO)5 using an ultrafast laser driven plasma x-ray source operating at 2 kilohertz repetition rate. The measured spectrum is compared to theoretical XANES spectra based on DFT structure calculations of the solvated complex. The used x-radiation is generated by irradiating a solid metal target with ultrafast high-intensity laser pulses. The subsequently generated high-density plasma emits x-ray pulses with sub-picosecond temporal resolution and an x-ray spectrum extends to energies far higher than the desired spectral range. Since these spectral components potentially falsify the XANES measurements, they were suppressed by the x-ray optical setup.
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Taewoo Lee, Taewoo Lee, Frank Benesch, Frank Benesch, Yan Jiang, Yan Jiang, Nili Song, Nili Song, Christoph G. Rose-Petruck, Christoph G. Rose-Petruck, } "Ultrafast tabletop x-ray sources and their application to XAFS measurements of transition metal coordination complexes", Proc. SPIE 5196, Laser-Generated and Other Laboratory X-Ray and EUV Sources, Optics, and Applications, (7 January 2004); doi: 10.1117/12.508588; https://doi.org/10.1117/12.508588
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