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 10 January 2018

Real-time diffraction contrast tomography data reduction

Benchmark of the data-analysis pipeline for XRD-CT. CBF byte-offset decompression on GPU.

Accepted 7 January 2018

Compact coherence enhancement by subharmonic self-seeding in X-ray free-electron-laser facilities

We present a simple method to significantly enhance the coherence of X-ray free-electron-laser (FEL) pulses by combining self-seeding and the harmonic generation mechanism. Our work is a fundamental step towards obtaining fully coherent FEL pulses, solving in this way a critical problem in the FEL field and its multidisciplinary scientific applications. In particular, the coherence improvement will be extremely beneficial for many photon science applications requiring a small bandwidth such as resonant inelastic X-ray scattering, therefore opening new areas of research and playing a crucial role in the future of all scientific users of the FEL facilities.

Accepted 4 January 2018

Multifarious injection chamber for molecular structure study (MICOSS) system: development and application for serial femtosecond crystallography at Pohang Accelerator Laboratory X-ray Free-Electron Laser

Sample delivery instruments and an experimental chamber (MICOSS system) have been developed and established to successfully conduct serial femtosecond crystallography at the Nano Crystallography and Coherent Imaging experimental station of the Pohang Accelerator Laboratory X-ray Free Electron Laser facility.

Accepted 2 January 2018

Finite lifetime broadening of calculated X-ray absorption spectra: possible artefacts close to the edge

Accounting for the finite core hole lifetime in X-ray absorption spectra calculation via adding an imaginary component to the energy and via convoluting the spectra on the real axis with a Lorentzian is equivalent only well above the Fermi energy.

Accepted 30 December 2017

Transmission of X-ray beam through a two-dimensional photonic crystal and the Talbot effect

Accepted 22 December 2017

Small-angle scattering of polychromatic X-rays: effects of bandwidth, spectral shape and high harmonics

Accepted 21 December 2017

Energy-dependent dead-time correction in digital pulse processors applied to silicon drift detector's X-ray spectra

An analytical model that accounts for the variation of dead-time with photon energy is proposed and tested experimentally. It allows accurate compensation for losses in spectra with more than half of the counts below 3 keV at a 56 kHz counting rate and compares favourably with the standard models in all experimental conditions.

Accepted 21 December 2017

Time-resolved ion imaging at free-electron lasers using TimepixCam

The manuscript describes the application of a novel, fast optical-imaging camera, TimepixCam, to molecular photoionization experiments using the velocity-map imaging technique at a free-electron laser. TimepixCam is a 256×256 pixel CMOS camera that is able to detect and time stamp ion hits with 20 ns timing resolution, thus making it possible to record ion momentum images for all fragment ions simultaneously, avoiding the need to gate the detector on a single fragment.

Accepted 19 December 2017

Quantum regime of a plasma-wave-pumped free-electron laser in the presence of an axial magnetic field

Accepted 19 December 2017

High-energy-resolution diced spherical quartz analyzers for resonant inelastic X-ray scattering

Accepted 18 December 2017

X-ray reflectivity from curved liquid interfaces

This paper reports the successful implementation of a method that enables the measurement of liquid–liquid and liquid–vapour X-ray reflectivity [XRR] curves using simply a fixed, horizontal source beam, a vertical translation stage and a two-dimensional detector. It will enable studies of liquid interfaces at sources lacking liquid diffractometers, especially ultra-fast XRR measurements via pump–probe techniques at X-FELs [X-ray free-electron lasers].

Accepted 10 December 2017

Characterization of a quadrant diamond transmission X-ray detector including a precise determination of the mean electron–hole pair creation energy

A transmissive X-ray detector based on ultrahigh purity single-crystal diamond is fully characterized regarding responsivity, including linearity and homogeneity, transmittance and X-ray scattering. A refined value for the mean electron-hole pair creation energy of diamond is obtained.

Accepted 10 December 2017

FemtoMAX – an X-ray beamline for structural dynamics at the short-pulse facility of MAX IV

The FemtoMAX beamline facilitates studies of the structural dynamics of materials on the fs timescale. The first commissioning results are presented.

Accepted 7 December 2017

Multi-channel in situ dynamic light scattering instrumentation enhancing biological small-angle X-ray scattering experiments at the PETRA III beamline P12

A novel in situ dynamic light scattering (DLS) module implemented at the PETRA III EMBL beamline P12 is capable of performing real-time sample solution scoring in parallel with BioSAXS experiments, including a multi-channel DLS detection principle.

Accepted 5 December 2017

An electrochemical cell with sapphire windows for operando synchrotron X-ray powder diffraction and spectroscopy studies of high-power and high-voltage electrodes for metal-ion batteries

A novel operando electrochemical cell with single-crystal sapphire X-ray windows has been designed for and successfully applied to the investigation of phase transformations and the valence states of the cations in high-power and high-voltage cathode materials for Li-ion batteries.

Accepted 4 December 2017

Enhancement of measurement accuracy of X-ray PIV [particle image velocimetry] in comparison with the micro-PIV technique

A new two-dimensional velocity field extraction technique to overcome technological limitations is proposed.

Accepted 4 December 2017

Microbubbles containing gadolinium as contrast agents for both phase contrast and magnetic resonance imaging

Microbubbles containing gadolinium as contrast agents for both phase contrast imaging and magnetic resonance imaging are investigated.

Accepted 29 November 2017

Nuclear resonance reflectivity from a [57Fe/Cr]30 multilayer with the Synchrotron Mössbauer Source

Mössbauer reflectivity experiments performed using the Synchrotron Mössbauer Source at the ESRF demonstrate the high efficiency of such investigations for the analysis and understanding ofmultilayer structures and magnetization profiles.

Accepted 28 November 2017

Polarization-independent absorption enhancement in a graphene square array with a cascaded grating structure

Accepted 26 November 2017

Efficiency and coherence preservation studies of Be refractive lenses for XFELO application

Accepted 24 November 2017

Anisotropy enhanced X-ray scattering from solvated transition metal complexes

The analysis of time-resolved X-ray scattering patterns collected at an XFEL upon photoexcitation of a di-platinum complex in solution is described. The analysis quantitatively considers the anisotropy of the signal.

Accepted 20 November 2017

GAPD: a GPU-accelerated atom-based polychromatic diffraction simulation code

GAPD, a GPU-accelerated atom-based polychromatic diffraction parallel simulation code, is presented for direct, kinematics-based, simulations of X-ray/electron diffraction of large-scale atomic systems with mono-/polychromatic beams and arbitrary plane detector geometry.

Accepted 20 November 2017

MÖNCH detector enables fast and low-dose free-propagation phase-contrast computed tomography of in situ mouse lungs

The high detective quantum efficiency of the novel charge-integrating hybrid detector MÖNCH enables in situ mouse lung imaging at a pixel size of 25 µm in 10 s with an entrance dose lower than 70 mGy, thereby enabling longitudinal in vivo synchrotron free-propagation phase-contrast computed tomography lung studies in mice.

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