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Quick-EXAFS implementation on the general purpose EXAFS beamline at ESRF.

Carmelo Prestipino1, Olivier Mathon, Ricardo Hino

  • 1European Synchrotron Radiation Facilities, Grenoble, France. carmelo.prestipino@univ-rennes1.fr

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A new QEXAFS acquisition method on beamline BM29 significantly reduces data collection times to seconds. This optimized technique maintains high signal quality and beam stability for advanced X-ray absorption spectroscopy.

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Area of Science:

  • Materials Science
  • Physics
  • Chemistry

Background:

  • Extended X-ray Absorption Fine Structure (EXAFS) spectroscopy is crucial for materials characterization.
  • Traditional EXAFS acquisition can be time-consuming, limiting in-situ studies.
  • Beamline BM29 at the European Synchrotron Radiation Facility (ESRF) is a general-purpose EXAFS facility.

Purpose of the Study:

  • To present a new implementation of QEXAFS acquisition on beamline BM29.
  • To demonstrate reduced acquisition times while maintaining data quality.
  • To showcase the potential applications of the optimized QEXAFS method.

Main Methods:

  • Implementation of a continuous-scan mode for QEXAFS acquisition.
  • Utilizing the general-purpose EXAFS beamline BM29 at ESRF.
  • Description of the new equipment and its integration.

Main Results:

  • Reduced acquisition times to a few seconds.
  • Maintained high signal-to-noise ratio.
  • Ensured a fixed exit beam and compatibility with step-by-step operation.

Conclusions:

  • The new QEXAFS acquisition method offers a significant improvement in speed and efficiency.
  • This advancement enables new possibilities for time-resolved studies in materials science.
  • The optimized system is robust and versatile for various EXAFS applications.