XAFS spectra in the high-energy region measured at SPring-8

Y. Nishihata, S. Emura, H. Maeda, Y. Kubozono, M. Harada, T. Uruga, H. Tanida, Y. Yoneda, J. Mizuki, T. Emoto

    Research output: Contribution to journalArticlepeer-review

    10 Citations (Scopus)

    Abstract

    XAFS spectra near K absorption edges of Pt (78.4 keV) and Pb (88.0keV) were measured in transmission mode with Si (511) planes of an adjustable inclined double-crystal monochromator at bending-magnet beamline BL01B1 at SPring-8. The energy resolution was estimated as good as 7 eVat Pt K-edge, benefitted from the high brilliant x-rays from the SPring-8 storage ring. Blunt edge jumps and reduction of EXAFS amplitude were observed owing to the finite lifetime of the core hole as predicted theoretically. Local structure parameters have been successfully evaluated from EXAFS signal above the K edge.

    Original languageEnglish
    Pages (from-to)149-151
    Number of pages3
    JournalJournal of Synchrotron Radiation
    Volume6
    Issue number3
    DOIs
    Publication statusPublished - May 1 1999

    Keywords

    • Finite lifetime effect of core hole
    • High energy
    • XAFS

    ASJC Scopus subject areas

    • Radiation
    • Nuclear and High Energy Physics
    • Instrumentation

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