Beamline 9-ID-B,C: Liquid Surface & Inelastic (RIXS) scattering beamline

X-ray Science Division, APS
Physics, Materials Science


This beamline supports resonant and non-resonant inelastic x-ray scattering experiments with medium energy resolution (30-300 meV) and liquid surface scattering experiments.


Supported Techniques

  • Resonant inelastic x-ray scattering
  • Inelastic x-ray scattering
  • Liquid scattering

Beamline Controls and Data Acquisition

EPICS based beam line controls with SPEC data acquisition software.


  • Si position-sensitive strip detector (Mythen)
  • Amptek Si PIN energy dispersive detector
  • Bicron scintillation detectors
  • PIN diodes
  • Position-sensitive ion chamber

Additional Equipment

  • Inelastic Spectrometer, 2m Detector Arm
  • High-resolution secondary monochromators
  • Spherical, diced analyzers for multiple absorption edges
  • Liquid surface spectrometer
  • Displex cryostat
  • Langmuir trough
  • Special liquid scattering sample cells

Local Contacts

Name THOMAS GOG (Inelastic x-ray scattering)
Phone 630.252.0320
Name DIEGO M. CASA (Inelastic x-ray scattering)
Phone 630.252.0333
Name IVAN KUZMENKO (Liquid surface scattering)
Phone 630.252.0327
Name YANG DING (Inelastic x-ray scattering)
Phone 630.252.6288

Beamline Specs

Source (upstream)

3.3 Undulator (Undulator A)

Source (downstream)

3.3 Undulator (Undulator A)

Monochromator Type


Energy Range

4.5-24 keV

Resolution (ΔE/E)

1 x 10 -4

Flux (photons/sec)

1 x 1013 @9 keV

Beam Size (HxV)


600µm x 150µm

Current Status:

Operational/Accepting General Users

Access Mode: