forthcoming articles

The following articles are a selection of those recently accepted for publication in Acta Crystallographica Section A: Foundations and Advances.

See also Forthcoming articles in all IUCr journals.

Accepted 4 December 2018

Resolving 500 nm axial separation by multi-slice X-ray ptychography


Accepted 28 November 2018

Model-independent extraction of the shapes and Fourier transforms from patterns of partially overlapped peaks with extended tails

A new method of extracting the individual shapes of overlapping powder peaks with Lorenztian (or other long-range) tails is presented. This allows computation of microstructure directly in Fourier space, without the infamous `hook' problem at low frequency.

Accepted 25 November 2018

Ted Janssen and aperiodic crystals

A review of Ted Janssen's contributions to the field of aperiodic crystals.

Accepted 19 November 2018

Updating direct methods

Direct methods techniques are revisited and new mathematical approaches are described.

Accepted 7 November 2018

Monoclinic sphere packings. III. Trivariant lattice complexes of P2/c and P21/c

All homogeneous sphere packings were derived that refer to the trivariant lattice complexes of monoclinic space groups of types P2/c and P21/c.

Accepted 5 November 2018

Anomalous small viral shells and simplest polyhedra with icosahedral symmetry: the rhombic triacontahedron case

The symmetry of the capsomers forming a viral shell determines the polyhedron underlying the shell structure. If the capsid is self-assembled from dimers, this is the rhombic triacontahedron with 30 equivalent rhombic faces.

Accepted 5 November 2018

Rotational switches in the two-dimensional fullerene quasicrystal

Local potential differences between the 36 and 32.4.3.4 vertex configurations are identified within a two-dimensional dodecagonal fullerene monolayer. In a local area of the 8/3 approximant, rotational switching fullerenes on 36 vertex sites are revealed by scanning tunneling microscopy.

Accepted 31 October 2018

Ab initio phasing of the diffraction of crystals with translational disorder

This article reports on the combined use of Bragg reflections and diffuse scatter for structure determination in crystallography.

Accepted 31 October 2018

Selling reduction versus Niggli reduction for crystallographic lattices

The unit-cell reduction described by Selling and used by Delone (Delaunay) is explained in a simple form.

Accepted 14 October 2018

A coloring-book approach to finding coordination sequences

This article presents a simple method for finding formulas for coordination sequences, based on coloring the underlying graph according to certain rules. It is illustrated by applying it to several uniform tilings and their duals.

Accepted 5 October 2018

Nonlinear optical organic–inorganic crystals: synthesis, structural analysis and verification of harmonic generation in tri-(o-chloro­anilinium nitrate)

This work addresses the structure–property relationship of an interesting organic–inorganic material. The structural investigation is coupled with Hirshfeld surface analysis to examine the nonlinear optical properties.

Accepted 2 October 2018

k-Isocoronal tilings

This article presents a method to determine planar edge-to-edge k-isocoronal tilings – tilings whose vertex coronae form k orbits or k transitivity classes under the action of the symmetry group.


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