Simulation of FEL pulse length calculation with THz streaking method

Simulation of THz streaking of photoelectrons created by X-ray pulses from a free-electron laser and reconstruction of the free-electron laser pulse lengths.

Versatile variable temperature insert at the DEIMOS beamline for in situ electrical transport measurements

The design of a versatile cryogenic insert with electrical connections configured to perform electrical transport measurements on devices is described. This insert enables XAS at the DEIMOS beamline at the SOLEIL synchrotron to probe in situ the interplay between magnetic and electrical orders in novel materials such as multiferroics.

Sapphire hard X-ray Fabry–Perot resonators for synchrotron experiments

The achievements of a sapphire hard X-ray resonator are described.

DABAM: an open-source database of X-ray mirrors metrology

DABAM, an open-source database of X-ray mirrors metrology to be used with ray-tracing and wave-propagation codes for simulating the effect of the surface errors on the performance of a synchrotron radiation beamline.

Submillisecond X-ray photon correlation spectroscopy from a pixel array detector with fast dual gating and no readout dead-time

X-ray photon correlation spectroscopy is performed using a dual counter pixel array detector at a frame rate of 11.8 kHz with no readout dead-time.

Evaluating scintillator performance in time-resolved hard X-ray studies at synchrotron light sources

Scintillator performance in time-resolved, hard, indirect detection X-ray studies on the sub-microsecond timescale at synchrotron light sources is reviewed, modelled and examined experimentally. LYSO:Ce is found to be the only commercially available crystal suitable for these experiments.

A sample cell for in situ electric-field-dependent structural characterization and macroscopic strain measurements

A sample cell for in situ electric-field-dependent structural characterization and macroscopic strain measurements is demonstrated. The results show that the macroscopic strain measured using the cell can be directly correlated with the microscopic response of the material obtained from diffraction data.

Analysis of the halo background in femtosecond slicing experiments

Besides femtosecond X-ray pulses, synchrotron-based laser-slicing sources inherently produce a halo background with a different time structure, polarization and pointing direction. A detailed experimental characterization of this halo radiation at the FemtoSpeX facility at BESSY II is presented, and a method for its correct and unambiguous removal from femtosecond time-resolved data using a dedicated laser triggering scheme as well as analytical models is demonstrated.

Dynamic crystal rotation resolved by high-speed synchrotron X-ray Laue diffraction

High-speed (submicrosecond) translation and rotation of crystals are tracked in real time via simultaneous synchrotron X-ray imaging and Laue diffraction.

Temperature-driven directional coalescence of silver nanoparticles

A four-stage model for the sintering process of PVP-coated silver nanoparticles is described.

Multiple scattering in grazing-incidence X-ray diffraction: impact on lattice-constant determination in thin films

The use of grazing-incidence X-ray diffraction to determine the crystal structure from thin films requires accurate positions of Bragg peaks. Refraction effects and multiple scattering events have to be corrected or minimized.

Polarized hard X-ray photoemission system with micro-positioning technique for probing ground-state symmetry of strongly correlated materials

A linearly polarized hard X-ray photoemission system has been developed for studying the ground-state symmetry of strongly correlated materials.

XAS spectroelectrochemistry: reliable measurement of X-ray absorption spectra from redox manipulated solutions at room temperature

A room-temperature flow in situ electrosynthesis cell suitable for X-ray absorption spectroscopy with fluorescence detection is described. The small sample volume requirements and control over the solution flow profile make possible reliable measurements of photosensitive compounds and protein samples.

Spectrum splitting for fast polarization switching of undulator radiation

The optical phases between undulator segments are tuned so that selected polarized light from an in-phase undulator survives through the monochromator.

Extraction of local coordination structure in a low-concentration uranyl system by XANES

A simple and reliable method of obtaining local geometric structural information around a uranium absorber in uranyl species by quantitative XANES analysis was developed.

Time- and spatial-resolved XAFS spectroscopy in a single shot: new analytical possibilities for in situ material characterization

A new methodology that offers both time-resolved and simultaneous spatial-resolved XAFS information was successfully implemented and tested at the BAMline at BESSY II.

Synchrotron-radiation-based X-ray micro-computed tomography reveals dental bur debris under dental composite restorations

Synchrotron-radiation-based micro-computed tomography was used to study dental bur debris of metallic nature under a composite restorative dental filling material. The debris is made of tungsten carbide–cobalt, which is bio-incompatible.

MMX-I: data-processing software for multimodal X-ray imaging and tomography

The MMX-I open-source software has been developed for processing and reconstruction of large multimodal X-ray imaging and tomography datasets. The recent version of MMX-I is optimized for scanning X-ray fluorescence, phase-, absorption- and dark-field contrast techniques. This, together with its implementation in Java, makes MMX-I a versatile and friendly user tool for X-ray imaging.

Synchrotron X-ray phase contrast imaging of leaf venation in soybean (Glycine max) after exclusion of solar UV (280–400 nm) radiation

Propagation-based phase contrast imaging of soybean leaves (control and with UV exclusion) has been performed using synchrotron radiation.

Using synchrotron radiation inline phase-contrast imaging computed tomography to visualize three-dimensional printed hybrid constructs for cartilage tissue engineering

A study is presented on the optimization and utilization of synchrotron radiation inline phase-contrast imaging combined with computed tomography for visualizing multi-component hybrid constructs used for cartilage tissue engineering applications and characterizing structural changes in these hybrid constructs over a 42-day in vitro culture.

Amyloid-β plaque deposition measured using propagation-based X-ray phase contrast CT imaging

Synchrotron-based X-ray phase propagation CT is used to visualize and measure amyloid beta accumulation in mouse brains. This technique improves the resolution, the acquisition speed and the X-ray dose if compared with previous methods.

A setup for synchrotron-radiation-induced total reflection X-ray fluorescence and X-ray absorption near-edge structure recently commissioned at BESSY II BAMline

The new setup for synchrotron-radiation-induced TXRF and TXRF-XANES at BAMline BESSY II is described and characterized.

A new multipurpose diffractometer PILATUS@SNBL

A new multifunctional diffractometer based on the Dectris Pilatus 2M detector has been constructed, commissioned and offered to users. The diffractometer combines a fast and low-noise area detector together with flexible goniometry for sample and detector positioning and orientation.

Implementation of ultrafast X-ray diffraction at the 1W2B wiggler beamline of Beijing Synchrotron Radiation Facility

A laser pump/X-ray probe system has been established for picosecond resolution X-ray diffraction detection at wiggler beamline 1W2B at the BSRF parasitic lightsource.

A Johann-type X-ray emission spectrometer at the Rossendorf beamline

A new Johann-type X-ray emission spectrometer recently installed at Rossendorf beamline of the European Synchrotron Radiation Facility is described.

Integration of TomoPy and the ASTRA toolbox for advanced processing and reconstruction of tomographic synchrotron data

The integration of two Python toolboxes used for processing tomographic data, TomoPy and the ASTRA toolbox, is presented.

Single-crystal diamond refractive lens for focusing X-rays in two dimensions. Erratum

A correction is made to a citation in the article by Antipov et al. (2016) [J. Synchrotron Rad. 23, 163–168].

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