Surface specific x-ray probes dedicated to solid surfaces and interfaces are available at ChemMatCARS. The following techniques are available or under development (*):

• Reflectivity (XR)
• Grazing Incidence X-Ray Diffraction (GIXD)
• Standing Wave X-ray Fluorescence (XSW)
• Diffuse Scattering (XDS)*
• Grazing Incidence Small Angle X-ray Scattering (GISAXS - available in station 15-ID-D).

Hardware

Diffractometer
ChemMatCARS station 15-ID-B is equipped with a general purpose, 4-circle diffractometer (Huber). A crystal analyzer is also available for the detector arm. Note that the axes of the THETA and TWO-THETA motions are oriented horizontally, along the in/outboard direction.

Sample Environments

• Vacuum furnace cell. Holds 1” samples
• Controlled environment cell. Atmospheric pressure, humidified heliem flow cell. Holds samples up to 2”

Detectors

• Scintillation detector (Oxford)
• Linear position-sensitive (wire) detector (MMI)
• Energy dispersive, Si-drift diode detector (Radiant) (contingent on availability from APS detector pool)
• CCD Area detector 94 x 94 mm, 92 micron pixel size (Bruker 6000)