Mapping spatial and field dependence of magnetic domain memory by soft X-ray speckle metrology

An introduction to magnetic domain memory (MDM) is given, including a description of the technique of coherent X-ray magnetic scattering, a detailed description of the speckle-correlation technique, with steps to optimize the MDM signal with field and spatial dependencies, and results showing MDM maps as a function of field, spatial scale and temperature.

High-energy transmission Laue micro-beam X-ray diffraction: a probe for intra-granular lattice orientation and elastic strain in thicker samples

An extension of the micro-beam Laue diffraction technique to higher photon energies (50–150 keV) for improved penetration into thick samples is presented. The new technique is used to study the grain-level deformation behaviour of a polycrystalline nickel sample during in situ tensile deformation.

Synchrotron-radiation phase-contrast imaging of human stomach and gastric cancer: in vitro studies

Synchrotron-radiation phase-contrast imaging can demonstrate the subtle structures of stomach and gastric cancer, which include the tiny gastric pits, grooves and blood vessels, and the infiltration of cancer in the submucosa layer.

Energy resolution of the CdTe-XPAD detector: calibration and potential for Laue diffraction measurements on protein crystals

Successful energy calibration of a CdTe sensor pixel array detector has allowed the collection of non-energy-overlapped Laue diffraction patterns from a lysozyme crystal. Potential applications for `in situ' crystal screening are discussed.

Evaluating the peak-to-valley dose ratio of synchrotron microbeams using PRESAGE fluorescence

The peak-to-valley dose ratio of a microbeam array can be measured by fluorescence of PRESAGE dosimeters. Peak-to-valley dose ratios are calculated using this new technique and also by EBT2 film.

Study of radiation damage induced by 12 keV X-rays in MOS structures built on high-resistivity n-type silicon

MOS structures fabricated on high-resistivity n-type silicon are irradiated by 12 keV X-rays to doses between 10 kGy and 1 GGy, and the radiation-induced oxide charges and interface traps are characterized and their densities determined.

Improved count rate corrections for highest data quality with PILATUS detectors

A Monte Carlo simulation is presented, which computes the rate correction factors taking into account the detector settings and the time structure of the X-ray beam. The results show good agreement with experimentally determined correction factors.

Development of a laser-based heating system for in situ synchrotron-based X-ray tomographic microscopy

A laser-based heating system has been developed at the TOMCAT beamline of the Swiss Light Source for in situ observations of moderate-to-high-temperature applications of materials.

Micrometre resolution of a charge integrating microstrip detector with single photon sensitivity

The spatial resolution of a single-photon-resolving integrating system has been improved using a non-linear charge interpolation approach. The resolution limit for a 20 µm-pitch sensor is presented.

Aspherical lens shapes for focusing synchrotron beams

Aspherical surface shapes (Cartesian oval, ellipse and parabola) to focus X-ray beams are discussed, and their performances in a synchrotron beamline are simulated.

Qu­antitative performance measurements of bent crystal Laue analyzers for X-ray fluorescence spectroscopy

The performance of bent crystal Laue optics for fluorescence analysis is quantitatively measured, and the implications for the signal-to-noise ratio in X-ray absorption fine-structure spectroscopic measurements are assessed.

Transmission-mode diamond white-beam position monitor at NSLS

Diamond transmission-mode white-beam position monitors installed at undulator beamline X25 at the National Synchrotron Light Source are described.

Performance upgrade in the JAEA actinide science beamline BL23SU at SPring-8 with a new twin-helical undulator

The commissioning studies and an application to a uranium compound with the helicity-switching mode of a new twin-helical undulator installed in soft X-ray beamline BL23SU at SPring-8 are described.

XANES analysis of spectral properties and structures of arsenate adsorption on TiO₂ surfaces

The structural origin of experimental XANES is identified using self-consistent multiple-scattering methods. The spectral contributions of different coordination shells is characterized using path expansion calculations.

Spectroelectrochemical cell for in situ studies of solid oxide fuel cells

An in situ spectroelectrochemical cell is presented, which allows the investigation of electrochemical and chemical/structural properties by simultaneous electrochemical impedance spectroscopy and X-ray absorption near-edge spectroscopy, at temperatures of up to ∼1073 K and in the presence of relevant gases and under polarization. The cell was used to study a solid oxide fuel cell with a lanthanum strontium cobaltite ferrite cathode.

Implementation of a beam deflection system for studies of liquid interfaces on beamline I07 at Diamond

The design and implementation of some new optics that allow X-ray reflectivity measurements from liquid surfaces on beamline I07 at Diamond Light Source are described. The design allows for easy combination with complementary off-specular techniques and is tunable over the energy range 10–28 keV.

The SAMBA quick-EXAFS monochromator: XAS with edge jumping

The QEXAFS monochromator of the SAMBA beamline is presented; one example on a bimetallic catalyst illustrates its capability to quickly alternate the measurement of two far absorption edges by `edge jumping'.

A unique approach to accurately measure thickness in thick multilayers

A new method to improve the accuracy of the image processing for the fabrication of thick multilayer optics is described.

An optimized side-cooling scheme for a collimation mirror at the SSRF

An optimization design of a side-cooling scheme for a mirror at the Shanghai Synchrotron Radiation Facility (SSRF) is presented.

An integrated high-throughput data acquisition system for biological solution X-ray scattering studies

A fully automated high-throughput solution X-ray scattering data collection system, developed for protein structure studies at beamline 4-2 of the Stanford Synchrotron Radiation Lightsource, is described.

I19, the small-molecule single-crystal diffraction beamline at Diamond Light Source

The small-molecule single-crystal diffraction beamline (I19) at Diamond Light Source is described. Key technical details are explained and some recent scientific results are highlighted.

Facilities for macromolecular crystallography at the Helmholtz-Zentrum Berlin

The three macromolecular crystallography beamlines BL14.1, BL14.2 and BL14.3 at the BESSY II storage ring at the Helmholtz-Zentrum Berlin are described.

Beamline AR-NW12A: high-throughput beamline for macromolecular crystallography at the Photon Factory

A description of the high-throughput AR-NW12A beamline at the Photon Factory is presented, together with new developments.

ID29: a high-intensity highly automated ESRF beamline for macromolecular crystallography experiments exploiting anomalous scattering

The current status and future plans of the highly intense and tunable structural biology beamline ID29 at the ESRF, Grenoble, is presented.

Adapting federated cyberinfrastructure for shared data collection facilities in structural biology

It has been difficult, historically, to manage and maintain early-stage experimental data collected by structural biologists in synchrotron facilities. This work describes a prototype system that adapts existing federated cyberinfrastructure technology and techniques to manage collected data at synchrotrons and to facilitate the efficient and secure transfer of data to the owner's home institution.

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