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BL-15A1 : XAFS (Semi-Microbeam) Experiments

Overview

Beamline group Group 3 (X-ray Spectroscopy)
Techniques
  • XAFS (X-ray Absorption Spectroscopy)
  • Other experiment with monochromatized X-ray
Features
  • An experimental station has been designed for hard X-ray XAFS experiments.
  • High-brilliance and high-intensity X-ray microbeam is available.
Area of research
  • Materials Chemistry
  • Materials Engineering
  • Earth and Environmental Science
  • Biological Science etc.
Contacts
  • Manager : Yasuhiro NIWA yasuhiro.niwa(at)kek.jp
  • Sub manager : Hiroaki NITANI hiroaki.nitani(at)kek.jp
  • Sub manager : Hitoshi ABE hitoshi.abe(at)kek.jp
  • Sub manager : Daiki KIDO daiki.kido(at)kek.jp
    Please change (at) to @ in the e-mail address.
Special notes
  • When you planning any experiment other than XAFS, please contact us before submit your research proposal.
  • You have to submit "experimental plan" before experiment. Please check PFXAFS website.

Performance

Source
  • 2.5GeV PF Short-Gap Undulator（SGU#15）
    Periodic length 17.6 mm, Number of Periods 27
  • Horizontal acceptance 0.2 mrad
Optics
  • Numerical-drive, LN2 cooled double Si(111) crystal monochromator, Quick scan available
  • Rh coated bent flat mirror for horizontal collimating
  • Rh coated double 16-element Bimorph mirror for horizontal focusing
  • Rh coated bent flat mirror for vertical focusing
  • Ni coated double flat mirror for higher harmonics reduction*
    *Low energy mode (< 4 keV) only
Energy range
  • 2.1 - 15 keV
Resolution (ΔE/E)
  • ~ 2 x 10-4 (see Photon flux section)
Beam size
  • 0.02 mm (H) x 0.02 mm (V)
Photon flux
  • 3.5 x 1011 photons/s（7.5 keV）
Instruments
  • Standard XAFS experiment system (Transmission and Fluorescent mode)
  • Quick Scan XAFS measurement system
  • Goniometer for XRD experiment
Detectors
  • Ionization chamber (1 cm, 5 cm, 17 cm, 31 cm)
  • Lytle detector
  • Silicon Drift Detector
  • PILATUS 100k detector
Remote / Mail-in
  • not available
Special notes
  • Users instruments : acceptable (Please contact with the beamline manager.)
  • Experimental hutch : 3.2 m (L) x 4.0 m (W) x 3.0 m (H)
  • Hutch door : 2.0 m (W) x 2.4 m (H)
  • Optical table : 1200 mm (L) x 800 mm (W)
  • Electric power, high-pressure gas available
  • Standard setup: Room temperature and Ambient pressure

More information

References

  1. N. Igarashi et al., J. Phys.: Conf. Ser., 425, 072016 (2013), doi:10.1088/1742-6596/425/7/072016

Publications

KEK-PF Publication Database (Publications of BL-15A1)

Last updated: 2024-8-2

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