BM23

Synopsis

BM23 is a bending magnet beamline optimized for standard EXAFS in a large energy range (5-75 keV), oriented towards high-quality data collection, stability and versatility, high automation, online data analysis and flexible sample environments.
Status:  open

Disciplines

  • Chemistry
  • Physics
  • Materials and Engineering
  • Earth and Planetary Sciences
  • Environmental Sciences

Applications

  • Chemistry
  • Catalysis
  • Solid state physics
  • Materials science
  • Biophysics
  • Environmental science
  • Earth and planetary science
  • Cultural heritage

Techniques

  • EXAFS - extended X-ray absorption fine structure
  • XRD - X-ray diffraction
  • XRF - X-ray fluorescence
  • XMLD - X-ray magnetic linear dichroism
  • MicroXANES - micro X-ray absorption near-edge structure
  • XANES - X-ray absorption near-edge structure
  • XAFS - X-ray absorption fine structure

Energy range

  • 5.0 - 75.0  keV

Beam size

  • Minimum (H x V) : 3.0 x 3.0  µm²
  • Maximum (H x V) : 13.0 x 1.0  mm²

Sample environments

  • Liquid He cryostat (4-300K)
  • Paris Edinburgh large volume press (17 GPa, 2000K)
  • Plug flow reactor (T ~ 1000K) coupled to downstream MS
  • Simultaneous IR and MS measurements
  • Controlled atmosphere oven (300-3000K)

Detectors

  • Ionization chambers
  • Si PIN diodes
  • Si drift detector
  • 13-element Ge detector

Technical details

Angle-resolved XRD can be implemented for specific applications.