issue contents

Journal logoJOURNAL OF
ISSN: 1600-5775

January 1998 issue

Highlighted illustration

Cover illustration: Aerogel speckle pattern produced by illuminating a disordered aerogel sample by a nominally coherent X-ray beam at wiggler beamline X25 at the National Synchrotron Light Source, see Tsui, Mochrie and Berman, pages 30-36.

facility information

research papers

J. Synchrotron Rad. (1998). 5, 1-5
doi: 10.1107/S0909049597012818
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An experimental and theoretical investigation is made of a two-plane focusing refractive lens using undulator radiation in the hard X-ray range.

J. Synchrotron Rad. (1998). 5, 6-9
doi: 10.1107/S0909049597011825
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The beamline will provide radiation with tunable photon energies from 1.75 keV to 10 keV and high spectral purity for radiometric calibrations and other applications.

J. Synchrotron Rad. (1998). 5, 10-16
doi: 10.1107/S0909049597010273
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A soft X-ray beamline with a variably polarizing undulator has been designed at SPring-8 to be used for photoemission spectroscopy, focusing on actinide compounds as well as unsealed radioactive materials.

J. Synchrotron Rad. (1998). 5, 17-22
doi: 10.1107/S0909049597011175
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The use of an X-ray waveguide for scattering and diffraction experiments at an ESRF undulator is discussed. A maximum flux of 8 × 109photons s−1 at λ = 0.083nm was obtained with a multilayer monochromator. The combination of an Si (111) monochromator and ellipsoidal mirror resulted in a flux of 1 × 109photons s−1 in a 0.15 × 30 μm2 beam.

J. Synchrotron Rad. (1998). 5, 23-29
doi: 10.1107/S0909049597010091
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A novel approach has been developed to analyze time- resolved SAXS data using correlation function and interface distribution function methods. It has been demonstrated that detailed time-dependent morphological variables can be extracted from PET crystallization using this approach.

J. Synchrotron Rad. (1998). 5, 30-36
doi: 10.1107/S090904959701039X
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Measurements, carried out at beamline X25 at the National Synchrotron Light Source, of X-ray speckle produced by an aerogel sample are presented. A statistical analysis of the speckle intensity is performed and compared with what may be expected based on the X25 source dimensions and the optics employed.

J. Synchrotron Rad. (1998). 5, 37-47
doi: 10.1107/S0909049597015835
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A high-coherent-flux X-ray beam for small-angle-scattering studies has been produced and analyzed at the Troïka beamline of the European Synchrotron Radiation Facility. The statistics of a static speckle pattern are used to characterize the coherence properties.

J. Synchrotron Rad. (1998). 5, 48-53
doi: 10.1107/S0909049597011321
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A new apparatus for polarized X-ray absorption fine structure (XAFS) at low temperature and its applications to local structure studies of high- Tc superconductors and optically excited states, using `pump and probe' XAFS, are described.

J. Synchrotron Rad. (1998). 5, 54-56
doi: 10.1107/S0909049597011941
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A new kind of horizontal focusing of X-rays was observed using a toothed-crystal monochromator. The focusing may be attributed to the properties of inclined diffraction.

J. Synchrotron Rad. (1998). 5, 57-59
doi: 10.1107/S090904959701193X
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A biomedical application of synchrotron radiation comprising X-ray fluorescence imaging and histochemical staining was employed to examine the detailed distribution of metal elements and morphological changes in the kidney section of mercury-treated rats. The spatial resolution was improved to 5 × 5 μm2.

notes and news

J. Synchrotron Rad. (1998). 5, 60
doi: 10.1107/S0909049598098884

international union of crystallography

J. Synchrotron Rad. (1998). 5, 61-66
doi: 10.1107/S0909049598098872
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