Online absolute calibration of fast FEL pulse energy measurements

A new method for online pulse-resolved absolute pulse energy measurements at free-electron lasers is presented.

Single-pulse characterization of the focal spot size of X-ray free-electron lasers using coherent diffraction imaging

A new spot characterization method is proposed, based on coherent diffraction imaging that can accurately determine the focal spot size of a single X-ray free-electron laser pulse. This method was successfully applied to characterize the focal spot size at the Coherent Scattering and Imaging endstation of the Shanghai Soft X-ray Free Electron Laser Facility.

Off-axis representation of hyperbolic mirror shapes for X-ray beamlines

The derivation of the closed-form representation of off-axis hyperbolic and hyperboloidal mirror shapes in a mirror-centered coordinate system for design, modeling, fabrication, and testing is presented. A single equation describes the shape in terms of the conjugate distances and the central angle of incidence.

Partially coherent light propagation through a kinoform lens

The mutual optical intensity model is extended to calculate the propagation of partially coherent X-rays through a kinoform lens.

darfix – data analysis for dark-field X-ray microscopy

darfix, a Python package for dark-field X-ray microscopy, is presented as a set of tools for data processing, treatment and analysis.

SDU – software for high-throughput automated data collection at the Swiss Light Source

Fully automated data collection is now available at the Swiss Light Source macromolecular crystallography beamlines using the Smart Digital User (SDU) software.

In situ X-ray area detector flat-field correction at an operating photon energy without flat illumination

A method for calculating the flat-field response of an X-ray area detector using a series of diffraction measurements from an amorphous scatterer, allowing rapid recalibration of an area detector at any selected X-ray energy, is presented.

Synchrotron X-ray powder diffraction under high pressures up to 33 MPa for mechanoresponsive materials

Equipment for synchrotron X-ray diffraction at high pressures up to 33 MPa with an accuracy of ±0.1 MPa has been developed for observation of pressure-induced structural changes of mechanoresponsive materials.

Beam damage in operando X-ray diffraction studies of Li-ion batteries

An investigation is presented of X-ray beam damage during operando powder X-ray diffraction experiments on battery materials, which is a widely used technique within the field of battery science. Besides clarifying correlations between the X-ray energy and the amount of damage, it is discovered that the beam damage is surprisingly chemistry specific, i.e. it depends on the composition of the battery materials.

Catalytic reactor for operando spatially resolved structure–activity profiling using high-energy X-ray diffraction

This study introduces a catalytic profile reactor capable of simultaneously measuring spatially resolved temperature, concentration and X-ray diffraction profiles through a catalytic fixed bed under operation. The profile reactor is a versatile and accessible research tool, allowing the usage of multiple synchrotron-based characterization methods to understand and systematically optimize a wide range of catalytic systems.

A small-angle X-ray scattering study of red blood cells in continuous flow

Microfluidics enables us to measure whole mammalian cells in continuous flow by small-angle X-ray scattering.

MRT-boost as the last fraction may be the most efficient irradiation schedule for increased survival times in a rat glioma model

It is demonstrated that the MRT boost in a 3 × 11 Gy radiation treatment has to be delivered as the last fraction to be more efficient for brain tumor control.

SYNCmoss software package for fitting Mössbauer spectra measured with a synchrotron Mössbauer source

SYNCmoss is software which allows to fit Mössbauer spectra measured with a synchrotron Mössbauer source taking into account the shape of instrumental function. The software provides a comprehensive functionality to fit data within various static and relaxation models along with parameter distributions and correlations.

A new satellite of manganese revealed by extended-range high-energy-resolution fluorescence detection

A new physical process in manganese, present for manganese-containing materials and materials science, has been discovered by applying our new technique – XR-HERFD (extended-range high-energy-resolution fluorescence detection) – developed from high-resolution RIXS (resonant inelastic X-ray scattering) and HERFD (high-energy-resolution fluorescence detection).

Photocatalytic setup for in situ and operando ambient-pressure X-ray photoelectron spectroscopy at MAX IV Laboratory

A new experimental setup makes it possible to follow the evolution of surfaces in situ with ambient-pressure X-ray photoelectron spectroscopy by simultaneously irradiating the sample with ultra-violet and visible light. Photo-assisted processes can be carried out close to industrially relevant conditions.

Deep-learning-based ring artifact correction for tomographic reconstruction

A new ring artifact correction method based on a residual neural network for tomographic reconstruction with superior efficiency and accuracy is presented.

High-energy synchrotron-radiation-based X-ray micro-tomography enables non-destructive and micro-scale palaeohistological assessment of macro-scale fossil dinosaur bones

Synchrotron-radiation-based X-ray micro-tomography at beamline BL28B2 at SPring-8 (Hyogo, Japan) enables the non-destructive assessment of palaeohistological features in dense, fossilized bones of an allosauroid dinosaur, Fukuiraptor kitadaniensis, demonstrating its effectiveness in virtual palaeohistology.

Assessing an aqueous flow cell designed for in situ crystal growth under X-ray nanotomography and effects of radiolysis products

Fast flow and fast imaging can reduce radiation damage in an X-ray nanotomography cell designed for studying mineral nucleation and growth in solutions.

Resonant inelastic X-ray scattering endstation at the 1C beamline of Pohang Light Source II

A hard X-ray resonant inelastic X-ray scattering endstation has been developed and commissioned at the 1C beamline of Pohang Light Source II.

Novel setup for rapid phase contrast CT imaging of heavy and bulky specimens

This work introduces a novel setup to scan heavy and bulky specimen at the SYRMEP beamline, which will be the basis for future phase contrast lung computed tomography imaging in patients.

A new full-field XRF imaging station at Synchrotron Light Research Institute

The development of a full-field X-ray fluorescence imaging technique using a large synchrotron X-ray beam at Synchrotron Light Research Institute (Nakhon Ratchasima, Thailand) is described. Various tests were conducted to determine experimental specifications and performance. Elemental distribution images are reported for dendritic limestone, corroded bronze and dried fish.