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Large dynamic range small-angle diffractometer D22

Small-angle scattering is a technique that measures the deviation to small angles (much less than one degree to several degrees) of an X-ray or neutron beam due to structures of small size in the sample. “Small” means dimensions of a few tenths to about 100 nanometres, such as clusters in alloys, polymers, or biological macromolecules.

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D22George

Kinetic (tick) file macro for GEORGE

The GEORGE dial (macro) can be started from the "setup" menu in the D22 GEORGE pad ("Kinetics files").

The progress of the measurements can be followed graphically by the application kin. It is started by typing kin in a d22 user window, or by using the corresponding item from the acquisition menu in the D22 GEORGE pad.

Real-time measurements can now use multiple MAD KIN files containing subsets of frames. A description on the timing is here.

Web document produced by Roland May, ILL Grenoble (last update: 01-Aug-2003)