Acta Crystallographica Section A
Acta Crystallographica
Section A FOUNDATIONS AND ADVANCES

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FOUNDATIONS
ADVANCES

Volume 51| Part 4

ISSN: 2053-2733

July 1995 issue

Highlighted illustration

Cover illustration: Imaging-plate recording of crystal truncation rod (CTR) scattering from an Si(111) wafer taken by oscillating the sample over an angular range of ± 4.9 ° perpendicular to <111>. Courtesy of T. Shimura and J. Harada, Photon Factory, Japan.

research papers

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On the fast translation functions for molecular replacement

J. Navaza and E. Vernoslova

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A non-uniform reference model for maximum-entropy density reconstructions from diffraction data

A. Zheludev, R. J. Papoular, E. Ressouche and J. Schweizer

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The symmetry of interatomic lattice potentials in general crystal structures. 1. Basic theory

V. N. Bugaev and R. V. Chepul'skii

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The symmetry of interatomic lattice potentials in general crystal structures. 2. The cases of f.c.c., b.c.c. and h.c.p. disordered structures

V. N. Bugaev and R. V. Chepul'skii

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Structural classes and space groups of organic homomolecular crystals: new statistical data

V. K. Belsky, O. N. Zorkaya and P. M. Zorky

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Microdiffraction and CBED crystal structure determination of the Si-rich phase in laser-clad Ni alloy FP-5

Y. Liu and J. Mazumder

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Hexamethylenetetramine: extinction and thermal vibrations from neutron diffraction at six temperatures

S. P. Kampermann, T. M. Sabine, B. M. Craven and R. K. McMullan

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X-ray determination of the dislocation densities in semiconductor crystals using a Bartels five-crystal diffractometer

P. D. Healey, K. Bao, M. Gokhale, J. E. Ayers and F. C. Jain

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Contrast of HOLZ lines in energy-filtered convergent-beam electron diffraction patterns from silicon

G. Lempfuhl, D. Krahl and Y. Uchida

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Cation ordering waves in trirutiles. When X-ray crystallography fails?

S. Hansen, A. Landa-Cánovas, K. Ståhl and J. Nilsson

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Estimation of the one-phase structure seminvariants in the single isomorphous replacement case: an application of Hauptman's distribution

N.-H. Hu and Y.-S. Liu

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Magnetic completely transposable twin laws and tensor distinction

D. B. Litvin, S. Y. Litvin and V. Janovec

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On the use of crenel functions for occupationally modulated structures

V. Petříček, A. van der Lee and M. Evain

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TDSIR phasing: direct use of phase-invariant distributions in macromolecular crystallography

D. A. Langs, D. Y. Guo and H. A. Hauptman

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Efficient methods for the linearization and solution of phase-invariant equations

D. A. Langs and F. Han

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The diffraction of X-rays by close-packed polytypic crystals containing single stacking faults. III. Measurements of diffraction effects caused by stacking faults in plate or film form samples

E. Michalski, W. Piecek and M. Demianiuk

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The Lorentz factor for the Laue technique

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Statistical descriptions in crystallography. II. Report of a Working Group on Expression of Uncertainty in Measurement

D. Schwarzenbach, S. C. Abrahams, H. D. Flack, E. Prince and A. J. C. Wilson

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Dynamical theories of dark-field imaging using diffusely scattered electrons in STEM and TEM

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short communications

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Lattice complexes with at most one comprehensive complex

W. Fischer and E. Koch

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Defective vertices in perfect icosahedral quasicrystals

M. Baake, S. I. Ben-Abraham, D. Joseph, P. Kramer and M. Schlottmann

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Right and left in chiral crystals

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Bloch-wave degeneracies and nonsystematic critical voltage: a method for structure-factor determination. Erratum

H. Matsuhata and J. Gjønnes

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A study of the structure factors in rutile-type SnO₂ by high-energy electron diffraction. Erratum

H. Matsuhata, J. Gjønnes and J. Taftø

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book reviews

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Mathematical techniques in crystallography and materials science by E. Prince

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Resonant anomalous X-ray scattering - theory and applications edited by G. Matelik, C. J. Sparks and K. Fischer

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international union of crystallography

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International Tables for Crystallography. Volume A. Corrigenda and Addenda to the Third, Revised Edition

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Sixteenth International Congress of Crystallography, 21-29 August 1993, Beijing, China

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Advances

A selection of Advances articles are given below.

Approximating coincidence - turning a new page for bicrystallography. S. Patala (2017). Acta Cryst. A73, 85-86.

A projection-based reformulation of the coincident site lattice Sigma for arbitrary bicrystals at finite temperature. B. Runnels (2017). Acta Cryst. A73, https://doi.org/10.1107/S205327331700122X.

To superspace and beyond. M. S. Senn (2017). Acta Cryst. A73, 1-3.

A general algorithm for generating isotropy subgroups in superspace. H. T. Stokes & B. J. Campbell (2017). Acta Cryst. A73, https://doi.org/10.1107/S2053273316017629.

Special issues

Debye scattering equation

Mathematical crystallography

Bragg centennial issue

Laue centennial issue

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