Abstract
The combination of these techniques is a strong issue for the construction and development of future instruments.
Highlights
The applications of high-energy X-rays have been continuously developed with the upcome of dedicated synchrotron sources one decade ago and benefit from more and more popularity
Beyond the third generation sources, the European Synchrotron Radiation Facility (ESRF) was planned to come up with a dedicated high-energy beamline ID15 which is in operation since mid 1994 (Tschentscher and Suortti, 1998)
High-energy X-rays benefit from the high penetration power, the flat Ewald-sphere and the scattering mainly into the forward direction in order to be applied in various fields of solid state physics and materials science
Summary
The applications of high-energy X-rays have been continuously developed with the upcome of dedicated synchrotron sources one decade ago and benefit from more and more popularity. It has been shown that better accuracy can be achieved for strain analysis with the Debye–Scherrer method if a larger distance between the sample and the detectors is used (Bohm et al, 2003) This is one important, but not the only issue which plays a role when defining an experimental setup or a beamline. Since each polycrystalline material is constituted of small single crystallites, these results from single crystal diffractometry play a role in the Debye–Scherrer setup described above, which, have to be generalized for more parameters of freedom: First, the nondispersive condition is only valid for a point on the detector, the non-dispersive point Z, which falls into the scattering plane of the monochromator and corresponds to the scattering angle À2Âmono in (þ –) geometry. The scanning parameters are the sample and analyzer rotation angles ! and , respectively and can be transformed to the local, Cartesian coordinates in the vicinity of G by
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