Acta Crystallographica Section A
Acta Crystallographica
Section A FOUNDATIONS AND ADVANCES

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FOUNDATIONS
ADVANCES

Volume 51| Part 3

ISSN: 2053-2733

May 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.

lead articles

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X-ray microscopy

D. Sayre and H. N. Chapman

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research papers

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The dispersion surface of X-rays very near the absorption edge

T. Fukamachi, R. Negishi and T. Kawamura

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Darwin spherical-wave theory of kinematic surface diffraction

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A tangent formula derived from Patterson-function arguments. II. Practical tests with single-crystal intensity data

J. Rius, J. Sañé, C. Miravitlles, J. M. Amigó and M. M. Reventós

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The validity of form-factor, modified-form-factor and anomalous-scattering-factor approximations in elastic scattering calculations

L. Kissel, B. Zhou, S. C. Roy, S. K. Sen Gupta and R. H. Pratt

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Reformulation of the statistical theory of dynamical diffraction in the case E = 0

J. P. Guigay and F. N. Chukhovskii

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The inverse Fourier problem in the case of poor resolution in one given direction: the maximum-entropy solution

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

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Über isomorphe Untergruppen von Raumgruppen der Kristallklassen 4, $\overline{4}$ , 4/m, 3, $\overline{3}$ , 6, $\overline{6}$ und 6/m

U. Müller and A. Brelle

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Negative quartet estimates by embedding of triplet and quintet invariants

A. Altomare, M. C. Burla, G. Cascarano, C. Giacovazzo, A. Guagliardi, A. G. G. Moliterni and G. Polidori

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The use of higher-order invariants in the determination of generalized Patterson cyclotomic sets

F. A. Grünbaum and C. C. Moore

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Theoretical ab initio calculations of the structure factors of fluorite (CaF₂)

A. Lichanot, M. Rérat and M. Catti

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A computer simulation approach for the calculation of diffuse intensity distributions from crystals undergoing the 2H to 6H transformation by layer displacement mechanism

V. K. Kabra and D. Pandey

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Arithmetic properties of module directions in quasicrystals, coincidence modules and coincidence quasilattices

O. Radulescu and D. H. Warrington

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Models for termination of crystal boundaries in the theory of transmission electron diffraction and comparison with experimental data

N. Grigorieff, D. Cherns, A. R. Preston and M. J. Yates

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Investigation of mosaicity of epitaxic multilayers by the statistical theory of X-ray dynamical diffraction

M. Li, Z. Mai, J. Li, C. Li and S. Cui

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X-ray propagation and diffraction in distorted, anisotropic, dielectric and magnetic crystals

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Diffraction by aggregates of helical molecules

R. P. Millane and W. J. Stroud

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Orientational order and disorder in solid C₆₀: theory and diffraction experiments

K. H. Michel, D. Lamoen and W. I. F. David

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Properties of grazing-angle X-ray standing waves and their application to an arsenic-deposited Si(111) 1 × 1 surface

O. Sakata and H. Hashizume

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Computing accurate Bragg diffraction intensities by simulation

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Reflectivity curves of Bragg reflections from small imperfect single crystals

A. McL Mathieson and A. W. Stevenson

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The ab initio crystal structure solution of proteins by direct methods. IV. The use of the partial structure

C. Giacovazzo and J. G. Platas

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The refinement of anisotropic Compton profiles and of momentum densities

J. M. Gillet, P. J. Becker and G. Loupias

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Bravais lattice invariants

L. C. Andrews and H. J. Bernstein

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New analytical scattering-factor functions for free atoms and ions

D. Waasmaier and A. Kirfel

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Enantiomorphism and three-beam X-ray diffraction: determination of the absolute structure

K. Hümmer and E. Weckert

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Enantiomorphism and multiple-beam X-ray diffraction. Revised

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short communications

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Estimation of triplets with interatomic vectors. Erratum

M. J. Kronenburg

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international union of crystallography

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International Tables for Crystallography. Volume C. Corrigenda and Addenda to the First Edition

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Advances

Recently published Advances articles are given below.

Interpretation of angular symmetries in electron nanodiffraction patterns from thin amorphous specimens. A. C. Y. Liu, G. R. Lumpkin, T. C. Petersen, J. Etheridge & L. Bourgeois (2015). Acta Cryst. A71, doi:10.1107/S2053273315011845.

Identification of inversion domains in KTiOPO₄ via resonant X-ray diffraction. F. Fabrizi, P. A. Thomas, G. Nisbet & S. P. Collins (2015). Acta Cryst. A71, 361-367.

Partial order among the 14 Bravais types of lattices: basics and applications. H. Grimmer (2015). Acta Cryst. A71, 143-149.

SHELXT - Integrated space-group and crystal-structure determination. G. M. Sheldrick (2015). Acta Cryst. A71, 3-8.

Special issues

Mathematical Crystallography

Bragg centennial issue

Laue centennial issue

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