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View of the diffractometer. The synchrotron beam enters the hutch from the back. The monochromator vessel is behind the diffractometer inside the hutch. 1: Huber circle 480 carrying the single counter. 2, 3: Huber circles 440 for sample environments or image-plate detector which can be moved laterally. 4: Single counter with analyser crystal and attenuator. 5: Two Huber circles 410 for counter alignment. 6: Stoe furnace. 7: Image-plate detector.
Diffractometer
The diffractometer itself mainly consists of three goniometers from HUBER Diffraktionstechnik GmbH with an angular resolution of 0.001 deg. mounted on a lifting table. Two of them are attached concentrically, the third is situated opposite to them, and they can all be moved laterally to a maximum distance of 720 mm. In this way, a wide variety of sample environments can be adapted. The larger goniometer (Huber 480) carries a cantilever with the single counter mounted on two other goniometers (Huber 410). Via these goniometers, the counter can be aligned either with a set of parallel foils (Soller slits) or an analysing crystal. The two smaller goniometers (Huber 440) are designed to carry sample holders or the position-sensitive detector OBI. The lifting table can be moved vertically over more than 250 mm to position the experiment in either the direct or the mirrored synchrotron beam [M. Knapp et al., J. Synchrotron Rad. (2004). 11, 328-334].
