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High-intensity two-axis diffractometer with variable resolution D20

D20 is very high intensity 2-axis diffractometer equipped with a large microstrip detector. Due to the extremely high neutron flux, it opens up new possibilities for real-time experiments on very small samples.

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Manual

This manual is an introduction to the use of the two-axis diffractometer D20 at the ILL. It first describes the general features of the instrument and try to provide the minimum information needed to prepare, run an experiment and analyse the data.

 

Experiments on D20 fall basically in two categories :

 

 

  • Crystallographic-type experiments, i.e. measurements of BRAGG reflections. Depending on sample and/or purpose, this kind of experiment will be somewhat similar to what is done routinely either on D1B (fixed detector mode) or on D1A / D2B (scanning detector mode).
  • Liquid & amorphous-type experiments ( say D4-type experiments)

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