Chemistry Reference
In-Depth Information
FIGURE 5.2 Various sample stages (Bruker AXS): (a) fixed chi; (b) two-position chi;
(c) XYZ; (d) quarter-circle Eulerian cradle.
above three sample stages. Table 5.1 gives a comparison of the four sample stages.
More sample stages are available for XRD
2
systems and their specs are available from
their vendors.
5.1.4 Sequence of the Goniometer Axes
To move a sample spot into the instrument center, the six axes in the Eulerian geometry
must follow a certain stacking sequence. The two main axes are the base of the
goniometer and the diffractometer plane is determined by themain axes. They have the
