issue contents

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775

January 2014 issue

Highlighted illustration

Cover illustration: X-ray scattering diagrams of [W/Si]10 multilayers deposited at Ar pressures of 1, 3, 5 and 7 mTorr were measured at beamline BL16B1 at the Shanghai Synchrotron Radiation Facility (see Li, Zhu, Wang, Chen, Wang and Wang, pages 97-103). Larger scattering spots reveal rougher interfaces in multilayers grown at higher Ar pressure.

facility information


research papers


J. Synchrotron Rad. (2014). 21, 1-4
https://doi.org/10.1107/S1600577513023205
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A pinhole-type ultra-small-angle X-ray scattering set-up that enlarges the accessible q-range to 0.25 µm−1 is described.

J. Synchrotron Rad. (2014). 21, 5-15
https://doi.org/10.1107/S1600577513023850
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An analytical approach describing properties of focused partially coherent X-ray beams is presented.

J. Synchrotron Rad. (2014). 21, 16-23
https://doi.org/10.1107/S1600577513024077
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A laterally graded multilayer Montel mirror with a parabolic figure has been tested and characterized. It exhibits excellent reflectivity and focusing/collimating properties.

J. Synchrotron Rad. (2014). 21, 24-31
https://doi.org/10.1107/S1600577513024715
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Synchrotron X-ray footprinting resources were investigated at a variety of beamlines and synchrotron facilities to understand their potential for a mobile general user. Results indicate that viable resources exist at each synchrotron investigated such that a prospective user need only provide a simple flow apparatus and sample handling accessories to perform this technique.

J. Synchrotron Rad. (2014). 21, 32-44
https://doi.org/10.1107/S1600577513019085
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Concepts and technical realization of the soft-X-ray ARPES facility at the Swiss Light Source are described. Its performance is illustrated by a few scientific applications ranging from three-dimensional materials to buried interfaces and impurities.

J. Synchrotron Rad. (2014). 21, 45-56
https://doi.org/10.1107/S1600577513026192
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A dedicated liquid surface diffractometer employing a tilting double-crystal monochromator in Bragg geometry has been designed. This diffractometer allows reflectivity and grazing-incidence scattering measurements of an immobile mechanical completely decoupled liquid sample from 6.4 to 29.4 keV.

J. Synchrotron Rad. (2014). 21, 57-60
https://doi.org/10.1107/S1600577513026593
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A compound refractive nickel lens focusing 174 keV X-rays to 5 µm with a gain of 4 is presented.

J. Synchrotron Rad. (2014). 21, 61-65
https://doi.org/10.1107/S1600577513029706
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X-ray beam trajectory control has been performed by using a 1.5 m-long flexible hollow glass fibre. A two-dimensional scan of a synchrotron radiation beam was demonstrated for X-ray absorption mapping.

J. Synchrotron Rad. (2014). 21, 66-75
https://doi.org/10.1107/S1600577513029676
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The Bionanoprobe has been developed to study trace elements in frozen-hydrated biological systems with sub-100 nm spatial resolution. Here its performance is demonstrated and first results reported.

J. Synchrotron Rad. (2014). 21, 76-81
https://doi.org/10.1107/S1600577513021516
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A high hydrostatic pressure cell for X-ray reflectivity measurements at the solid/liquid interface is presented.

J. Synchrotron Rad. (2014). 21, 82-88
https://doi.org/10.1107/S1600577513025162
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The dependency of beam intensity on the performance degradation of polymer electrolyte fuel cells during X-ray imaging experiments at the Tomcat beamline of the Swiss Light Source is reported and the underlying degradation mechanisms are identified.

J. Synchrotron Rad. (2014). 21, 89-96
https://doi.org/10.1107/S1600577513027434
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An overview of several innovations regarding in situ laser-heating techniques in the diamond anvil cell at the high-pressure beamline ID27 of the European Synchrotron Radiation Facility is presented.

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An integration method is demonstrated for directly determining the average interface statistics or, more specifically, power spectral density of periodic multilayers from the X-ray scattering diagram.

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A treatment is presented to explain reflectivity curves of finite-size elastically bent analyser crystals for X-ray spectrometry.


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Using a high-energy high-resolution synchrotron X-ray beam for powder X-ray diffraction simplifies the analysis of the diffraction pattern to the extent that fitting of any parameter becomes superfluous. A diamond powder pattern has been used as an experimental illustration.

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A numerical method of reconstruction of an object image using a dynamical diffraction Fraunhofer hologram is discussed.

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The development of resonant inelastic X-ray scattering under high pressure is presented. The pressure evolution of momentum-resolved electronic excitations was obtained in single-crystalline Sr2.5Ca11.5Cu24O41.

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Biological apatites have been investigated through XANES–EXAFS spectroscopy and a set of numerical simulations, taking into account local lattice distortion, Ca2+/Sr2+ substitution or the presence of cationic vacancies, have been performed.

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The effect of the Ln3+ (Ln = Gd, Dy, Er or Y) co-dopant ions on the reduction of the Eu3+ ions using dispersive X-ray absorption spectroscopy is shown. The measurements around the Eu LIII-edge in SrO:Al2O3:Eu,Ln were used to propose a mechanism for the Eu reduction and stabilization within the samples.

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Morphological and structural characterization of the alterations induced by fossilization processes in Earlymost Villafranchian fossil bones by means of X-ray absorption and fluorescence micro-spectroscopies and optical and scanning electron microscopies.

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Grazing-incidence small-angle scattering patterns of Ge nanodots self-organized on Si(001) with soft X-rays showed a strongly anisotropic scattering profile, although the patterns with hard X-rays are symmetric. This apparent difference is explained in terms of the curvature of the Ewald sphere and anisotropic structure factors.

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A facile heating cell for in situ transmittance and fluorescence X-ray absorption spectroscopy is described. It provides a novel approach to the design of an in situ cell for synchrotron radiation applications.

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An in situ probe for scanning transmission X-ray microscopy has been developed and applied to the study of the bipolar resistive switching mechanism in an Al/graphene oxide/Al resistive random access memory device.

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The diffraction of non-monochromatic X-rays by liquids id described.

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A single-shot CCD-based data acquisition system for time-resolved photoelectron spectroscopy using an X-ray free-electron laser has been developed. The basic performance of the system is demonstrated using XFEL-induced and synchrotron-radiation-induced Ti 1s core-level spectroscopy.

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The reliability and effectiveness of small-angle X-ray scattering in detecting liquid jet instability is demonstrated by measuring the jet break-up length for different liquids, flow rates and jet diameter.


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X-ray absorption near-edge structure anomalous behaviour of silicon suboxide layers with silicon and silicon carbide nanocrystals is reported.


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A custom-designed nanocalorimeter is implemented on a nano-focus X-ray beamline. The accessory enables measurements of X-ray-induced heating for high-resolution thermal imaging of single microparticles.

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Differential phase contrast images acquired simultaneously with fluorescence images offer a robust method for alignment in low-dose X-ray nanotomography data acquisition.

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A new experimental set-up enabling microfocus fluorescence XANES mapping and microfocus XRD mapping on the same sample at beamline I18 at Diamond Light Source is described. To demonstrate this set-up the heterogeneous mineralogy in calcium carbonate granules excreted by the earthworm Lumbricus terrestris has been analysed. Data analysis methods have been developed which enable µXRD and µXANES two-dimensional maps to be compared.

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It is demonstrated that single-cell resolution can be obtained ex vivo in the brain of small animals using gold nanoparticles with the synchrotron-based computed tomography technique.

short communications


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An X-ray-transparent experimental environment that allows time-resolved studies of porous rocks under geological reservoir conditions using high-energy synchrotron X-ray microtomography is presented.

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A reaction cell designed for in situ X-ray absorption experiments on liquid samples and wet chemical synthesis is presented.

beamlines



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The coherent X-ray scattering beamline at PLS-II at Pohang Accelerator Laboratory, Korea, is introduced.


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A new ultrahigh-energy-resolution and wide-energy-range soft X-ray beamline has been designed at the Shanghai Synchrotron Radiation Facility. The expected energy resolution is approximately 10 meV at 1000 eV.

meeting reports


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A report on the 11th International Conference on Biology and Synchrotron Radiation which took place on 8–11 September 2013, in Hamburg, Germany, is presented.

current events


international union of crystallography


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