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Lookup NU author(s): Emeritus Professor Bill CleggORCiD
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A new single-crystal diffraction facility has been constructed on beamline 9 of the SRS at Daresbury Laboratory for the study of structural problems in chemistry and materials science. The station utilizes up to 3.8 mrad horizontally from the 5 T wiggler magnet which can be focused horizontally and vertically. The horizontal focusing is provided by a choice of gallium-cooled triangular bent Si (111) or Si (220) monochromators, giving a wavelength range from 0.3 to 1.5 A. Focusing in the vertical plane is achieved by a cylindrically bent zerodur mirror with a 300 μm-thick palladium coating. The station is equipped with a modified Enraf-Nonius CAD-4 four-circle diffractometer and a Siemens SMART CCD area-detector system. High- and low-temperature facilities are available to cover the temperature range from about 80 to 1000 K. Early results on test compounds without optimization of the beam optics demonstrate that excellent refined structures can be obtained from samples giving diffraction patterns too weak to be measured with conventional laboratory X-ray sources, fulfilling a major objective of the project.
Author(s): Cernik RJ, Clegg W, Catlow CRA, Bushnell-Wye G, Flaherty JV, Greaves GN, Burrows L, Taylor DJ, Teat SJ, Hamichi M
Publication type: Article
Publication status: Published
Journal: Journal of Synchrotron Radiation
Year: 1997
Volume: 4
Issue: 5
Pages: 279-286
Print publication date: 01/09/1997
ISSN (print): 0909-0495
ISSN (electronic): 1600-5775
Publisher: Wiley-Blackwell Publishing Ltd.
URL: http://dx.doi.org/10.1107/S090904959701008X
DOI: 10.1107/S090904959701008X
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