issue contents

Journal logoJOURNAL OF
ISSN: 1600-5775

September 2006 issue

Highlighted illustration

Cover illustration: Stable top-up operation has been attained at SPring-8 (see Tanaka et al., pages 378-391). Top: an advantage of top-up operation with regard to structural analysis of disordered materials. Clear accuracy-improvement of the calculated total structure factor S(Q) and total correlation function T(r) by top-up operation can be seen. Middle: schematic image of stored-beam oscillation-free injection. Bottom: beam current stability in the top-up operation (left) compared with conventional operation (right).

facility information

research papers

J. Synchrotron Rad. (2006). 13, 351-358
doi: 10.1107/S0909049506026938
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This paper assesses the potential of energy-dispersive XAS for chemical imaging. As an example, two-dimensional mapping of a complex geological sample providing full Fe K-edge XANES information on each pixel has been achieved at the ESRF ID24 beamline. Owing to the acquisition speed and to the small probe of this instrument, an area of about 400 µm × 200 µm has been covered with a spatial resolution of about 5 µm (2808 spectra) in 100 min.

J. Synchrotron Rad. (2006). 13, 359-364
doi: 10.1107/S0909049506025611
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A description is given of the new facility for XAFS research at beamline I811, MAX-lab synchrotron source, Lund, Sweden.

J. Synchrotron Rad. (2006). 13, 365-372
doi: 10.1107/S0909049506027853
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A high-flux insertion device and beamline for macromolecular crystallography has been built at the National Synchrotron Light Source.

J. Synchrotron Rad. (2006). 13, 373-377
doi: 10.1107/S090904950602855X
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An X-ray microbeam with a small angular divergence and a narrow energy bandwidth has been produced at BL24XU at SPring-8. Using this microbeam the crystallinity estimation of thin layers on silicon-on-insulator wafers is demonstrated.

J. Synchrotron Rad. (2006). 13, 378-391
doi: 10.1107/S0909049506022862
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SPring-8 has succeeded in achieving extremely stable top-up operation by retrofitting. Here the process of retrofitting is discussed, presenting key technical factors for stabilization of top-up operation. Examples are provided showing the value of top-up operation in various experiments.

J. Synchrotron Rad. (2006). 13, 392-396
doi: 10.1107/S0909049506021431
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Sagittal focusing of synchrotron radiation by a Laue crystal with profiled diffracting surfaces.

J. Synchrotron Rad. (2006). 13, 397-402
doi: 10.1107/S0909049506027026
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MIRRORCLE-6X is inherently suitable for hard X-ray imaging owing to its magnified projection X-ray imaging, micrometre-size X-ray source point, wide radiation emission angle, X-ray spectrum ranging from 10 keV to 6 MeV, natural refraction contrast imaging and high flux output. Images of human-sized objects produced with 11× geometrical magnification display high resolution and a sharply enhanced edge effect when generated using a few 10 µm rod electron target.

J. Synchrotron Rad. (2006). 13, 403-407
doi: 10.1107/S0909049506023466
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An ultra-fast computed tomography technique using a quasi-monochromatic undulator beam has been developed for soft materials.

short communications

J. Synchrotron Rad. (2006). 13, 408-410
doi: 10.1107/S0909049506027610
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A timing-shutter monitor has been developed using a photodiode and X-ray fluorescence from the timing-shutter blade. When synchronized with goniometer rotation, accurate shutter performance can be monitored in real time.

current events

J. Synchrotron Rad. (2006). 13, 411-412
doi: 10.1107/S0909049506030470
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