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Proceedings Paper

Broad energy band techniques for perturbation crystallography
Author(s): G. W. J. C. Heunen; A. Puig-Molina; S. Scheres; Clemens Schulze-Briese; Dominique Bourgeois; Heinz Graafsma
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Paper 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.

Paper Details

Date Published: 11 December 1998
PDF: 10 pages
Proc. SPIE 3448, Crystal and Multilayer Optics, (11 December 1998); doi: 10.1117/12.332503
Show Author Affiliations
G. W. J. C. Heunen, European Synchrotron Radiation Facility (France)
A. Puig-Molina, European Synchrotron Radiation Facility (Netherlands)
S. Scheres, Utrecht Univ. (France)
Clemens Schulze-Briese, Paul Scherrer Institute (Switzerland)
Dominique Bourgeois, European Synchrotron Radiation Facility and Institut de Biologie Structurale (France)
Heinz Graafsma, European Synchrotron Radiation Facility (Netherlands)


Published in SPIE Proceedings Vol. 3448:
Crystal and Multilayer Optics
Albert T. Macrander; Andreas K. Freund; Tetsuya Ishikawa; Dennis M. Mills, Editor(s)

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