Beamline 9-ID-B,C: Liquid Surface Scattering & Ultra Small Angle X-ray Scattering

X-ray Science Division, APS
Chemistry, Materials Science


This beamline supports Liquid Surface Scattering experiments (9-ID-B) and USAXS experiments (9-ID-C).


Supported Techniques

  • Liquid surface diffraction
  • Ultra-small-angle x-ray scattering

Beamline Controls and Data Acquisition

EPICS based beam line controls with SPEC data acquisition software.


  • Si position-sensitive strip detector (Mythen)
  • Pilatus 100k pixel detector
  • Bicron scintillation detectors
  • PIN diodes
  • Position-sensitive ion chamber

Additional Equipment

  • Liquid surface spectrometer
  • Displex cryostat
  • Langmuir trough
  • Special liquid surface scattering sample cells

Local Contacts

Name IVAN KUZMENKO (Liquid Surface Scattering)
Phone 630.252.0327
Name JAN ILAVSKY (Ultra Small Angle Scattering)
Phone 630.252.0866

Beamline Specs

Source (upstream)

3.3 Undulator (Undulator A)

Source (downstream)

3.3 Undulator (Undulator A)

Monochromator Type


Energy Range

4.5-30 keV

Resolution (ΔE/E)

1 x 10 -4

Flux (photons/sec)

1 x 1013 @9 keV

Beam Size (HxV)


600µm x 150µm

For additional information see:

Current Status:

Operational/Accepting General Users

Access Mode: