Broad energy band techniques for perturbation crystallography

G. W. J. C. Heunen; A. Puig-Molina; S. Scheres; Clemens Schulze-Briese; Dominique Bourgeois; Heinz Graafsma

doi:10.1117/12.332503

11 December 1998 Broad energy band techniques for perturbation crystallography

G. W. J. C. Heunen, A. Puig-Molina, S. Scheres, Clemens Schulze-Briese, Dominique Bourgeois, Heinz Graafsma

Proceedings Volume 3448, Crystal and Multilayer Optics; (1998) https://doi.org/10.1117/12.332503
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

Three different ways of creating a broad energy band X-ray beam have been tested for studying electric field induced changes in Bragg intensities. The basic idea behind all three techniques (graded multi-layer, bent Laue crystal and filtered white beam) is to try to separate the change in integrated intensity on one side from changes in peak shape and peak position on the other side. All three techniques give a significant increase in data collection speed, as compared to the more standard highly monochromatic method. However, only in the case of bent Laue crystal monochromators could the energy spectrum be made sufficiently flat to give a complete separation of the effects related to structural changes from the effects related to peak shifts and peak deformations.

Citation Download Citation

G. W. J. C. Heunen, A. Puig-Molina, S. Scheres, Clemens Schulze-Briese, Dominique Bourgeois, and Heinz Graafsma "Broad energy band techniques for perturbation crystallography", Proc. SPIE 3448, Crystal and Multilayer Optics, (11 December 1998); https://doi.org/10.1117/12.332503

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