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Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775

March 2004 issue

Highlighted illustration

Cover illustration: Top: simulation of Young's interference pattern (vertical line scan) in the 5-20 keV energy range (horizontal, colors indicate different wavelengths), see pages 190-197. Bottom: calculated area maps at different points of the spectrum. Owing to both the absorption of radiation in the thin foil containing the pinholes and the coherence properties of the X-rays, a double pinhole and a point diffraction interferometer are realized in a single set-up.

facility information


research papers


J. Synchrotron Rad. (2004). 11, 129-131
doi: 10.1107/S0909049503022921
link to html
A new 1.25 cm short-period mini-gap undulator has been installed in the NSLS X13 straight section. Characterization of the on-axis brightness has been performed at various magnetic gap settings using a single-crystal spectrometer.

J. Synchrotron Rad. (2004). 11, 132-141
doi: 10.1107/S0909049503026785
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The performance of an indirectly cooled cryogenic silicon monochromator under heat loads up to 870 W has been studied. At a heat load of ∼400 W and under standard operation conditions, the crystal distortions did not exceed 1 µrad.

J. Synchrotron Rad. (2004). 11, 142-149
doi: 10.1107/S0909049503024142
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Characterization of a new beamline specifically designed for high-flux vacuum-ultraviolet circular dichroism.

J. Synchrotron Rad. (2004). 11, 150-156
doi: 10.1107/S0909049503023586
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Highly efficient and effective methods of implementing optics for a high-energy X-ray synchrotron beamline by combining flat and bent crystals and refractive lenses are demonstrated.

J. Synchrotron Rad. (2004). 11, 157-162
doi: 10.1107/S0909049503023343
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Ray-tracing simulations of mistuned sagittal diffractive–refractive X-ray lenses, their characteristic aberrations and sensitivity to the mutual misalignment of their components are discussed. A comparative analysis of ideal parabolic and cylindrical DRXLs for two different source types is presented.

J. Synchrotron Rad. (2004). 11, 163-170
doi: 10.1107/S0909049503027870
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A new facility for the study of materials processing has been designed and built on the SRS at Daresbury Laboratory. A matched pair of gas-filled wire chambers is able to provide simultaneous data for powder diffraction and small-angle scattering on a timescale of 1 s per frame.

J. Synchrotron Rad. (2004). 11, 171-176
doi: 10.1107/S0909049503023598
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A novel design concept is presented for a variable-included-angle Monk–Gillieson mounting monochromator with a varied-line-spacing plane grating, in which the grating is illuminated by converging X-rays.

J. Synchrotron Rad. (2004). 11, 177-186
doi: 10.1107/S0909049503028863
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Development and test of an interpolating two-dimensional X-ray imaging prototype detector for time-resolved structure research in the milli- or microsecond time domain.

J. Synchrotron Rad. (2004). 11, 187-189
doi: 10.1107/S0909049504000949
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Divergent-beam X-ray diffraction from a diamond crystal is demonstrated using an external fluorescent source excited by synchrotron radiation.

J. Synchrotron Rad. (2004). 11, 190-197
doi: 10.1107/S0909049503029169
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Two types of interferometer for hard X-rays have been realised and investigated with incident white synchrotron radiation using an energy-dispersive detector with an energy resolution of about 200 eV. In both interferometers a thin tantalum foil containing small pinholes was used as a beamsplitter.

J. Synchrotron Rad. (2004). 11, 198-203
doi: 10.1107/S0909049503024683
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The sorption of americium onto groundwater colloids was studied in sodium bicarbonate groundwater and sodium chloride bicarbonate-free solutions. XAFS analyses were performed on these sorbed Am species to establish the oxidation state and near-neighbour bonding.

J. Synchrotron Rad. (2004). 11, 204-208
doi: 10.1107/S0909049503028474
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A low-temperature rapid-mixing and flow system has been designed and implemented to monitor catalysis involving metal ions by X-ray absorption spectroscopy at the ID-18 beamline of the Advanced Photon Source. The results of the initial testing of the system are presented.

J. Synchrotron Rad. (2004). 11, 209-213
doi: 10.1107/S0909049503028024
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Local structure studies on Tsukuba gabbroic rocks are presented. A novel imaging tool, a projection-type XRF microscope, has been applied.

current events


J. Synchrotron Rad. (2004). 11, 214
doi: 10.1107/S0909049504002808

J. Synchrotron Rad. (2004). 11, 214
doi: 10.1107/S090904950400281X

J. Synchrotron Rad. (2004). 11, 214-215
doi: 10.1107/S0909049504002845

J. Synchrotron Rad. (2004). 11, 215
doi: 10.1107/S0909049504002833

J. Synchrotron Rad. (2004). 11, 215
doi: 10.1107/S0909049504002821

international union of crystallography


J. Synchrotron Rad. (2004). 11, 216-224
doi: 10.1107/S0909049504001153
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