forthcoming articles

The following articles are a selection of those recently accepted for publication in Journal of Applied Crystallography.

See also Forthcoming articles in all IUCr journals.

Accepted 22 March 2017

Investigations into the phase composition of zirconia-based sinters with an axial texture

Paper describes multi-axial texture of zirconia sinters used as metering nozzles and describe correct method of phase composition determination using X-ray diffraction. Due to phase composition changes during sample preparation testing should be carried on solid samples and results corrected.

Accepted 16 March 2017

Growth of bulk size single crystal of Sulphamic acid by indigenously developed seed rotation solution growth technique and its characterization

Good quality of Bulk size Sulphamic single crystal was grown by adopting newly designed seed rotation technique (SRT). Crystalline perfection of grown crystal was assessed using HRXRD and found to be single peak with FWHM 8.0 arc second. Optical, Thermal and shock damage threshold of Sulphamic bulk single crystal has been measured to find its optimisation for device fabrication.

Accepted 16 March 2017

Appearance of efficient luminescence energy transfer in doped orthovanadate nanocrystals

Efficient luminescence energy transfer in doped orthovanadate nanocrystals

Accepted 14 March 2017

The origin of striation in metastable β phase of titanium alloys observed by TEM

In the present work, the striations and the diffraction characteristics of the β phase of Ti-5553 alloy were thoroughly investigated.

Accepted 14 March 2017

Incorporation of interfacial roughness to recursion matrix formalism of dynamical X-ray diffraction in multilayers and superlattices

Interfacial roughness is considered as a transition layer. Fast and free of numerical errors method of calculation of diffraction scans from multilayered structures with interfacial roughness is developed.

Accepted 14 March 2017

Three-fold rotational symmetry in hexagonally shaped core-shell (In,Ga)As/GaAs nanowires revealed by coherent X-ray diffraction imaging

Using coherent X-ray diffraction imaging we detect a threefold rotational symmetry in hexagonally shaped single semiconductor nanowires. The core-shell-shell structure was resolved by probing symmetric (hhh) Bragg reflections.

Accepted 14 March 2017

SLADS: A parallel code for direct simulations of scattering of large, anisotropic, dense, nanoparticle systems

Accepted 10 March 2017

Robust X-ray angular correlations for the study of meso-structures

The theoretical limitations and experimental challenges of X-ray angular correlation analysis methods are investigated. Using a combination of simulated data and measurements on challenging meso-cluster samples, prepared using lithography and self-assembly, the primary experimental challenges are explored. Background scattering, data masking and inter-object interference are identified as primary challenges. Strategies to overcome correlation artifacts are presented.

Accepted 9 March 2017

Synchrotron Bragg diffraction imaging characterization of synthetic diamond crystals for optical and electronic power device applications

Bragg diffraction imaging techniques are described, and their capabilities for studying the quality of diamond substrates and overgrown layers, and the surface damage caused by mechanical polishing, are illustrated by examples.

Accepted 8 March 2017

Modelling and validation of particle size distributions of supported nanoparticles using the pair distribution function technique

The log–normal particle size distributions of supported nanoparticles were obtained from their pair distribution function and the results were validated with scanning transmission electron microscopy.

Accepted 7 March 2017

Raoult's law revisited: accurately predicting equilibrium relative humidity points for humidity control experiments

The equilibrium relative humidity values for a number of the most commonly used precipitants in biological macromolecule crystallization have been measured using a new humidity control device. A simple argument in statistical mechanics demonstrates that the equilibrium vapour pressure of a solvent is proportional to its mole fraction in an ideal solution (Raoult's law). The same argument can be extended to the case where the solvent and solute molecules are of different sizes.

Accepted 28 February 2017

Combined scanning X-ray diffraction and holographic imaging of cardiomyocytes

This article presents scanning small-angle X-ray scattering (SAXS) experiments performed on the actomyosin assemblies in freeze-dried cardiac muscle cells by scanning the sample through a sub-micrometre focused beam. The scanning SAXS experiments were advantageously combined with full-field holographic imaging to complement the X-ray diffraction with real-space imaging.

Accepted 27 February 2017

How do specimen preparation and crystal perfection affect structure factor measurements by qu­antitative convergent-beam electron diffraction?

The influence of specimen preparation and crystal perfection on the measurement of structure factors and bonding by quantitative convergent-beam electron diffraction is assessed in detail. Whilst CeB6 is the subject of this study, the findings and methods apply to all hard brittle crystalline materials.

Accepted 23 February 2017

Qu­antitative evaluation of statistical errors in small-angle X-ray scattering measurements

A model is presented for the errors in small-angle X-ray scattering profiles that takes into account the physics of the measurement process. The model agrees quantitatively with the variations observed in experimental measurements and provides a straightforward prescription to add realistic errors to simulated scattering profiles.

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