forthcoming articles

The following articles are a selection of those recently accepted for publication in Journal of Synchrotron Radiation.

See also Forthcoming articles in all IUCr journals.

Accepted 20 September 2016

X-ray analyzer-based phase-contrast computed lamino­graphy

The combination of X-ray analyzer-based phase-contrast imaging and computed lamino­graphy opens up new possibilities for imaging regions of interest in laterally extended flat specimens of weak absorption contrast.

Accepted 19 September 2016

Micrometer-resolution imaging using MÖNCH: towards G2-less grating interferometry

The MÖNCH 25 µm-pitch hybrid pixel detector is described in detail and characterized. The interpolation algorithm developed to achieve micrometer-level resolution is applied to grating interferometry measurements.

Accepted 19 September 2016

Identification of the point of diminishing returns in high-multiplicity data collection for sulfur SAD phasing

A statistic based on the distribution of sets of signed anomalous differences is evaluated as a possible metric for defining the point at which the inclusion of additional data from a progressively more damaged crystal into a S-SAD phasing process will reduce the probability of successful phasing.

Accepted 16 September 2016

A soft XAS transmission cell for operando studies

A new design of an operando soft X-ray transmission and fluorescence cell with capability of fast membrane replacement and easy operation compared with the previous designs is presented. The cell is suitable for studying solids, liquids and solid/liquid interfaces and manipulating the sample with electrochemical techniques and visible light.

Accepted 14 September 2016

Controlling X-ray deformable mirrors during inspection

A practical scheme is proposed to control and inspect X-ray deformable mirrors using a feedback mechanism with residual curvature estimated from shape metrology data.

Accepted 13 September 2016

Automatic crystal centring procedure at the SSRF macromolecular crystallography beamline

An automatic crystal centring procedure is reported, which is extremely effective under fluctuating light states as well as for poorly frozen and opaque samples at macromolecular crystallography beamlines.

Accepted 13 September 2016

High-pressure Seebeck coefficients and thermoelectric behaviors of Bi and PbTe measured using a Paris-Edinburgh cell

A new sample cell assembly for the Paris-Edinburgh type large-volume press to measure Seebeck coefficients and the relative changes in the thermal conductivity and dimensionless figure of merit has been developed and its feasibility demonstrated. The measurements are performed on Bi and PbTe over a temperature range 300–450 K and pressures up to 5.5 GPa.

Accepted 13 September 2016

Effect of atomic vibrations in XANES: polarization-dependent damping of the fine structure at the Cu K-edge of (creat)2CuCl4

A technically simple method to include vibrations in X-ray absorption near-edge structure (XANES) calculations is used to demontrate that vibrations have a significant effect on the polarized Cu K-edge spectrum of creatinium tetrachlorocuprate, (creat)2CuCl4, even in the XANES region.

Accepted 9 September 2016

Effect of gamma irradiation on X-ray absorption and photoelectron spectroscopy of Nd-doped phosphate glass

Accepted 5 September 2016

High-temperature tensile cell for in situ real-time investigation of carbon fibre carbonization and graphitization processes

A unique high-temperature cell combined with in situ wide-angle X-ray diffraction was used to follow the formation of graphitic structure in carbon fibre produced from a polyacrylo­nitrile precursor.

Accepted 29 August 2016

Nanox: a miniature mechanical stress rig designed for near-field X-ray diffraction imaging techniques

A compact design for a miniature tensile stress rig, compatible with the space and weight constraints imposed by near-field diffraction imaging techniques, is presented. The device can carry tensile loads up to 500 N and is driven by a piezoelectric actuator which can work in a static and dynamic regime up to frequencies of 100 Hz.

Accepted 29 August 2016

Kirkpatrick–Baez scanning of X-ray beam for Laue microdiffraction on accelero-phobic samples: application to in situ mechanically loaded nanowires

Accepted 24 August 2016

Augmentation of the step-by-step Energy-Scanning EXAFS beamline BL-09 to continuous-scan EXAFS mode at INDUS-2 SRS

An innovative scheme to carry out continuous X-ray absorption spectroscopy measurements similar to quick-EXAFS mode at the step-by-step Energy-Scanning EXAFS beamline BL-09 at the INDUS-2 synchrotron source is presented.

Accepted 22 August 2016

Design and performance of BOREAS, the beamline for resonant X-ray absorption and scattering experiments at the ALBA synchrotron light source

BOREAS is a beamline operating at the ALBA Synchrotron Light Source, dedicated to resonant X-ray absorption and scattering experiments using soft X-rays, in an unusually extended photon energy range from 80 to >4000 eV, with full polarization control. Here its optical scheme and the first commissioning results are described.

Accepted 19 August 2016

A high-accuracy complex-phase method of simulating X-ray propagation through a multi-lens system

Accepted 19 August 2016

Using irregularly spaced current peaks to generate an isolated attosecond X-ray pulse in free-electron lasers

A method is proposed to generate an isolated attosecond X-ray free-electron laser pulse with the peak power beyond 1 TW.

Accepted 18 August 2016

Creating flat-top X-ray beams by applying surface profiles of alternating curvature to deformable piezo bimorph mirrors

A piezo bimorph mirror is deformed into three distinct re-entrant surface modifications as well as being simply defocused. A re-entrant modification with seven segments (the maximum possible for this mirror) produces an expanded beam with less striation than a simply defocused beam.

Accepted 13 August 2016

Fabrication and testing of a newly designed slit system for depth-resolved X-ray diffraction measurements

A newly designed system of slits for depth-resolved X-ray powder diffraction has been developed and tested at the National Synchrotron Light Source.

Accepted 10 August 2016

Determination of the packing fraction in photonic glass using synchrotron radiation nanotomography

Synchrotron radiation nanotomography has been used to quantify the packing fraction in a photonic glass sample.

Accepted 8 August 2016

Nuclear incorporation of iron during the eukaryotic cell cycle

Scanning X-ray fluorescence microscopy has been used to probe the distribution of S, P and Fe within cell nuclei at the new ID16 beamline. Estimates of P, S and mass signals for the chromosomal matter agree with quantitative X-ray phase contrast projection microscopy images of the same samples, while fluorescence shows Fe incorporation.

Accepted 5 August 2016

X-ray powder diffraction at the XRD1 beamline at LNLS

X-ray powder diffraction at the upgraded and comissioned XRD1 beamline is reported. The beamline operates in the 5.5–14 keV range with a photon flux of 3.4 × 1010 photons s−1 at 8 keV.

Accepted 4 August 2016

Interaction of a relativistic dense electron beam with a laser wiggler in a vacuum: self-field effects on the electron orbits and free-electron laser gain

Accepted 4 August 2016

Brownian and advective dynamics in microflow studied by coherent X-ray scattering experiments

Combining microfluidics with coherent X-ray experiments enables the flow characterization of collodial suspensions in microflow of different geometries. Here, evaluation of the flow geometries, main flow directions, advective flow velocities and diffusive dynamics are presented.

Accepted 4 August 2016

A multi-MHz single-shot data acquisition scheme with high dynamic range: pump–probe X-ray experiments at synchrotrons

A time-resolved X-ray absorption spectroscopy setup has been developed and tested, comprising a synchronized MHz fiber amplifier laser system with a multi-MHz data acquisition scheme capable of detecting multi-photon events in a single X-ray photon pulse. This system permits recording time-resolved X-ray absorption spectra with quasi-static signal quality.

Accepted 4 August 2016

Measuring the criticality of the `magic condition' for a beam-expanding monochromator

The effect of minor mismatch between the geometric and single-ray foci for a cylindrically bent Laue double-crystal monochromator is examined and found to be less detrimental than previously believed. Even without exact matching, the transverse coherence of the X-ray beam is not deteriorated by the system, enabling the phase-based imaging techniques critical to modern biomedical imaging experiments.

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